21305108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{484207}}^1$

素因数の和:484222

約数の個数: 12

約数和(自身を含む): 40673472

約数和(自身を除く): 19368364

約数列:

[1, 2, 4, 11, 22, 44, 484207, 968414, 1936828, 5326277, 10652554, 21305108]

約数ペア:

[(1, 21305108), (2, 10652554), (4, 5326277), (11, 1936828), (22, 968414), (44, 484207)]