21141263

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{907}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 25017216

約数和(自身を除く): 3875953

約数列:

[1, 11, 13, 143, 163, 907, 1793, 2119, 9977, 11791, 23309, 129701, 147841, 1626251, 1921933, 21141263]

約数ペア:

[(1, 21141263), (11, 1921933), (13, 1626251), (143, 147841), (163, 129701), (907, 23309), (1793, 11791), (2119, 9977)]