21105864

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22549}}^1$

素因数の和:22574

約数の個数: 48

約数和(自身を含む): 61561500

約数和(自身を除く): 40455636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22549, 45098, 67647, 90196, 135294, 180392, 202941, 270588, 293137, 405882, 541176, 586274, 811764, 879411, 1172548, 1623528, 1758822, 2345096, 2638233, 3517644, 5276466, 7035288, 10552932, 21105864]

約数ペア:

[(1, 21105864), (2, 10552932), (3, 7035288), (4, 5276466), (6, 3517644), (8, 2638233), (9, 2345096), (12, 1758822), (13, 1623528), (18, 1172548), (24, 879411), (26, 811764), (36, 586274), (39, 541176), (52, 405882), (72, 293137), (78, 270588), (104, 202941), (117, 180392), (156, 135294), (234, 90196), (312, 67647), (468, 45098), (936, 22549)]