21155797

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{883}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 24256960

約数和(自身を除く): 3101163

約数列:

[1, 13, 19, 97, 247, 883, 1261, 1843, 11479, 16777, 23959, 85651, 218101, 1113463, 1627369, 21155797]

約数ペア:

[(1, 21155797), (13, 1627369), (19, 1113463), (97, 218101), (247, 85651), (883, 23959), (1261, 16777), (1843, 11479)]