21291266101

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{1583}}^1\times {\mathrm{21589}}^1$

素因数の和:23268

約数の個数: 16

約数和(自身を含む): 24622963200

約数和(自身を除く): 3331697099

約数列:

[1, 7, 89, 623, 1583, 11081, 21589, 140887, 151123, 986209, 1921421, 13449947, 34175387, 239227709, 3041609443, 21291266101]

約数ペア:

[(1, 21291266101), (7, 3041609443), (89, 239227709), (623, 34175387), (1583, 13449947), (11081, 1921421), (21589, 986209), (140887, 151123)]