21865547

素因数分解:

${\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{1151}}^1$

素因数の和:1330

約数の個数: 12

約数和(自身を含む): 24208128

約数和(自身を除く): 2342581

約数列:

[1, 11, 121, 157, 1151, 1727, 12661, 18997, 139271, 180707, 1987777, 21865547]

約数ペア:

[(1, 21865547), (11, 1987777), (121, 180707), (157, 139271), (1151, 18997), (1727, 12661)]