21130180604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{406349627}}^1$

素因数の和:406349644

約数の個数: 12

約数和(自身を含む): 39822263544

約数和(自身を除く): 18692082940

約数列:

[1, 2, 4, 13, 26, 52, 406349627, 812699254, 1625398508, 5282545151, 10565090302, 21130180604]

約数ペア:

[(1, 21130180604), (2, 10565090302), (4, 5282545151), (13, 1625398508), (26, 812699254), (52, 406349627)]