21056662

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{87011}}^1$

素因数の和:87035

約数の個数: 12

約数和(自身を含む): 34717788

約数和(自身を除く): 13661126

約数列:

[1, 2, 11, 22, 121, 242, 87011, 174022, 957121, 1914242, 10528331, 21056662]

約数ペア:

[(1, 21056662), (2, 10528331), (11, 1914242), (22, 957121), (121, 174022), (242, 87011)]