21925804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1171}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 39904256

約数和(自身を除く): 17978452

約数列:

[1, 2, 4, 31, 62, 124, 151, 302, 604, 1171, 2342, 4681, 4684, 9362, 18724, 36301, 72602, 145204, 176821, 353642, 707284, 5481451, 10962902, 21925804]

約数ペア:

[(1, 21925804), (2, 10962902), (4, 5481451), (31, 707284), (62, 353642), (124, 176821), (151, 145204), (302, 72602), (604, 36301), (1171, 18724), (2342, 9362), (4681, 4684)]