21844456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{160621}}^1$

素因数の和:160644

約数の個数: 16

約数和(自身を含む): 43367940

約数和(自身を除く): 21523484

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 160621, 321242, 642484, 1284968, 2730557, 5461114, 10922228, 21844456]

約数ペア:

[(1, 21844456), (2, 10922228), (4, 5461114), (8, 2730557), (17, 1284968), (34, 642484), (68, 321242), (136, 160621)]