21270524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2531}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 40836096

約数和(自身を除く): 19565572

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 2531, 4202, 5062, 8404, 10124, 27841, 55682, 111364, 483421, 966842, 1933684, 5317631, 10635262, 21270524]

約数ペア:

[(1, 21270524), (2, 10635262), (4, 5317631), (11, 1933684), (22, 966842), (44, 483421), (191, 111364), (382, 55682), (764, 27841), (2101, 10124), (2531, 8404), (4202, 5062)]