21891644829

素因数分解:

$3^2\times {\mathrm{7603}}^1\times {\mathrm{319927}}^1$

素因数の和:327536

約数の個数: 12

約数和(自身を含む): 31625522656

約数和(自身を除く): 9733877827

約数列:

[1, 3, 9, 7603, 22809, 68427, 319927, 959781, 2879343, 2432404981, 7297214943, 21891644829]

約数ペア:

[(1, 21891644829), (3, 7297214943), (9, 2432404981), (7603, 2879343), (22809, 959781), (68427, 319927)]