숫자 21285680
소인수분해
소인수분해 | 2 * 2 * 2 * 2 * 5 * 13 * 97 * 211 |
약수 | 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 211, 260, 388, 422, 485, 520, 776, 844, 970, 1040, 1055, 1261, 1552, 1688, 1940, 2110, 2522, 2743, 3376, 3880, 4220, 5044, 5486, 6305, 7760, 8440, 10088, 10972, 12610, 13715, 16880, 20176, 20467, 21944, 25220, 27430, 40934, 43888, 50440, 54860, 81868, 100880, 102335, 109720, 163736, 204670, 219440, 266071, 327472, 409340, 532142, 818680, 1064284, 1330355, 1637360, 2128568, 2660710, 4257136, 5321420, 10642840, 21285680 |
약수의 개수 | 80 |
약수의 합 | 54100704 |
성질
표기
바이너리 | 1010001001100101100110000 |
8진수 | 121145460 |
16진수 | 144cb30 |