21804160113

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{311279}}^1$

素因数の和:311509

約数の個数: 24

約数和(自身を含む): 32405493120

約数和(自身を除く): 10601333007

約数列:

[1, 3, 9, 43, 129, 181, 387, 543, 1629, 7783, 23349, 70047, 311279, 933837, 2801511, 13384997, 40154991, 56341499, 120464973, 169024497, 507073491, 2422684457, 7268053371, 21804160113]

約数ペア:

[(1, 21804160113), (3, 7268053371), (9, 2422684457), (43, 507073491), (129, 169024497), (181, 120464973), (387, 56341499), (543, 40154991), (1629, 13384997), (7783, 2801511), (23349, 933837), (70047, 311279)]