21118162

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7591}}^1$

素因数の和:7713

約数の個数: 16

約数和(自身を含む): 34437312

約数和(自身を除く): 13319150

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7591, 15182, 98683, 197366, 812237, 1624474, 10559081, 21118162]

約数ペア:

[(1, 21118162), (2, 10559081), (13, 1624474), (26, 812237), (107, 197366), (214, 98683), (1391, 15182), (2782, 7591)]