221137212

素因数分解:

$2^2\times 3^1\times {\mathrm{18428101}}^1$

素因数の和:18428108

約数の個数: 12

約数和(自身を含む): 515986856

約数和(自身を除く): 294849644

約数列:

[1, 2, 3, 4, 6, 12, 18428101, 36856202, 55284303, 73712404, 110568606, 221137212]

約数ペア:

[(1, 221137212), (2, 110568606), (3, 73712404), (4, 55284303), (6, 36856202), (12, 18428101)]