21666186

素因数分解:

$2^1\times 3^2\times {\mathrm{557}}^1\times {\mathrm{2161}}^1$

素因数の和:2726

約数の個数: 24

約数和(自身を含む): 47049444

約数和(自身を除く): 25383258

約数列:

[1, 2, 3, 6, 9, 18, 557, 1114, 1671, 2161, 3342, 4322, 5013, 6483, 10026, 12966, 19449, 38898, 1203677, 2407354, 3611031, 7222062, 10833093, 21666186]

約数ペア:

[(1, 21666186), (2, 10833093), (3, 7222062), (6, 3611031), (9, 2407354), (18, 1203677), (557, 38898), (1114, 19449), (1671, 12966), (2161, 10026), (3342, 6483), (4322, 5013)]