2011521605

素因数分解:

$5^1\times {\mathrm{149}}^2\times {\mathrm{18121}}^1$

素因数の和:18424

約数の個数: 12

約数和(自身を含む): 2430268932

約数和(自身を除く): 418747327

約数列:

[1, 5, 149, 745, 18121, 22201, 90605, 111005, 2700029, 13500145, 402304321, 2011521605]

約数ペア:

[(1, 2011521605), (5, 402304321), (149, 13500145), (745, 2700029), (18121, 111005), (22201, 90605)]