21250636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2963}}^1$

素因数の和:3141

約数の個数: 24

約数和(自身を含む): 40832064

約数和(自身を除く): 19581428

約数列:

[1, 2, 4, 11, 22, 44, 163, 326, 652, 1793, 2963, 3586, 5926, 7172, 11852, 32593, 65186, 130372, 482969, 965938, 1931876, 5312659, 10625318, 21250636]

約数ペア:

[(1, 21250636), (2, 10625318), (4, 5312659), (11, 1931876), (22, 965938), (44, 482969), (163, 130372), (326, 65186), (652, 32593), (1793, 11852), (2963, 7172), (3586, 5926)]