21219011

素因数分解:

${\mathrm{11}}^1\times {\mathrm{1031}}^1\times {\mathrm{1871}}^1$

素因数の和:2913

約数の個数: 8

約数和(自身を含む): 23182848

約数和(自身を除く): 1963837

約数列:

[1, 11, 1031, 1871, 11341, 20581, 1929001, 21219011]

約数ペア:

[(1, 21219011), (11, 1929001), (1031, 20581), (1871, 11341)]