21068900

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{3571}}^1$

素因数の和:3644

約数の個数: 36

約数和(自身を含む): 46507440

約数和(自身を除く): 25438540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 236, 295, 590, 1180, 1475, 2950, 3571, 5900, 7142, 14284, 17855, 35710, 71420, 89275, 178550, 210689, 357100, 421378, 842756, 1053445, 2106890, 4213780, 5267225, 10534450, 21068900]

約数ペア:

[(1, 21068900), (2, 10534450), (4, 5267225), (5, 4213780), (10, 2106890), (20, 1053445), (25, 842756), (50, 421378), (59, 357100), (100, 210689), (118, 178550), (236, 89275), (295, 71420), (590, 35710), (1180, 17855), (1475, 14284), (2950, 7142), (3571, 5900)]