21616771

素因数分解:

${\mathrm{11}}^3\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 16

約数和(自身を含む): 24156000

約数和(自身を除く): 2539229

約数列:

[1, 11, 109, 121, 149, 1199, 1331, 1639, 13189, 16241, 18029, 145079, 178651, 198319, 1965161, 21616771]

約数ペア:

[(1, 21616771), (11, 1965161), (109, 198319), (121, 178651), (149, 145079), (1199, 18029), (1331, 16241), (1639, 13189)]