21906698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9859}}^1$

素因数の和:9973

約数の個数: 16

約数和(自身を含む): 36205920

約数和(自身を除く): 14299222

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9859, 19718, 108449, 216898, 995759, 1991518, 10953349, 21906698]

約数ペア:

[(1, 21906698), (2, 10953349), (11, 1991518), (22, 995759), (101, 216898), (202, 108449), (1111, 19718), (2222, 9859)]