21515349505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1044181}}^1$

素因数の和:1044516

約数の個数: 16

約数和(自身を含む): 27892189584

約数和(自身を除く): 6376840079

約数列:

[1, 5, 13, 65, 317, 1585, 4121, 20605, 1044181, 5220905, 13574353, 67871765, 331005377, 1655026885, 4303069901, 21515349505]

約数ペア:

[(1, 21515349505), (5, 4303069901), (13, 1655026885), (65, 331005377), (317, 67871765), (1585, 13574353), (4121, 5220905), (20605, 1044181)]