21167266183

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1355399}}^1$

素因数の和:1355526

約数の個数: 16

約数和(自身を含む): 25503206400

約数和(自身を除く): 4335940217

約数列:

[1, 7, 23, 97, 161, 679, 2231, 15617, 1355399, 9487793, 31174177, 131473703, 218219239, 920315921, 3023895169, 21167266183]

約数ペア:

[(1, 21167266183), (7, 3023895169), (23, 920315921), (97, 218219239), (161, 131473703), (679, 31174177), (2231, 9487793), (15617, 1355399)]