21870837

素因数分解:

$3^3\times {\mathrm{191}}^1\times {\mathrm{4241}}^1$

素因数の和:4441

約数の個数: 16

約数和(自身を含む): 32578560

約数和(自身を除く): 10707723

約数列:

[1, 3, 9, 27, 191, 573, 1719, 4241, 5157, 12723, 38169, 114507, 810031, 2430093, 7290279, 21870837]

約数ペア:

[(1, 21870837), (3, 7290279), (9, 2430093), (27, 810031), (191, 114507), (573, 38169), (1719, 12723), (4241, 5157)]