21805110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{242279}}^1$

素因数の和:242292

約数の個数: 24

約数和(自身を含む): 56693520

約数和(自身を除く): 34888410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 242279, 484558, 726837, 1211395, 1453674, 2180511, 2422790, 3634185, 4361022, 7268370, 10902555, 21805110]

約数ペア:

[(1, 21805110), (2, 10902555), (3, 7268370), (5, 4361022), (6, 3634185), (9, 2422790), (10, 2180511), (15, 1453674), (18, 1211395), (30, 726837), (45, 484558), (90, 242279)]