숫자 21157605
소인수분해
소인수분해 | 3 * 3 * 3 * 3 * 5 * 7 * 17 * 439 |
약수 | 1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 81, 85, 105, 119, 135, 153, 189, 255, 315, 357, 405, 439, 459, 567, 595, 765, 945, 1071, 1317, 1377, 1785, 2195, 2295, 2835, 3073, 3213, 3951, 5355, 6585, 6885, 7463, 9219, 9639, 11853, 15365, 16065, 19755, 22389, 27657, 35559, 37315, 46095, 48195, 52241, 59265, 67167, 82971, 111945, 138285, 156723, 177795, 201501, 248913, 261205, 335835, 414855, 470169, 604503, 783615, 1007505, 1244565, 1410507, 2350845, 3022515, 4231521, 7052535, 21157605 |
약수의 개수 | 80 |
약수의 합 | 45999360 |
성질
표기
바이너리 | 1010000101101011011100101 |
8진수 | 120553345 |
16진수 | 142d6e5 |