숫자 21057680
소인수분해
소인수분해 | 2 * 2 * 2 * 2 * 5 * 7 * 31 * 1213 |
약수 | 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1213, 1240, 1736, 2170, 2426, 2480, 3472, 4340, 4852, 6065, 8491, 8680, 9704, 12130, 16982, 17360, 19408, 24260, 33964, 37603, 42455, 48520, 67928, 75206, 84910, 97040, 135856, 150412, 169820, 188015, 263221, 300824, 339640, 376030, 526442, 601648, 679280, 752060, 1052884, 1316105, 1504120, 2105768, 2632210, 3008240, 4211536, 5264420, 10528840, 21057680 |
약수의 개수 | 80 |
약수의 합 | 57805824 |
성질
표기
바이너리 | 1010000010101000010010000 |
8진수 | 120250220 |
16진수 | 1415090 |