21000435452

素因数分解:

$2^2\times {\mathrm{3259}}^1\times {\mathrm{1610957}}^1$

素因数の和:1614220

約数の個数: 12

約数和(自身を含む): 36762061560

約数和(自身を除く): 15761626108

約数列:

[1, 2, 4, 3259, 6518, 13036, 1610957, 3221914, 6443828, 5250108863, 10500217726, 21000435452]

約数ペア:

[(1, 21000435452), (2, 10500217726), (4, 5250108863), (3259, 6443828), (6518, 3221914), (13036, 1610957)]