21265090561

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1861}}^1\times {\mathrm{79907}}^1$

素因数の和:81792

約数の個数: 16

約数和(自身を含む): 24996500928

約数和(自身を除く): 3731410367

約数列:

[1, 11, 13, 143, 1861, 20471, 24193, 79907, 266123, 878977, 1038791, 11426701, 148706927, 1635776197, 1933190051, 21265090561]

約数ペア:

[(1, 21265090561), (11, 1933190051), (13, 1635776197), (143, 148706927), (1861, 11426701), (20471, 1038791), (24193, 878977), (79907, 266123)]