21622161

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1019}}^1$

素因数の和:1676

約数の個数: 16

約数和(自身を含む): 31530240

約数和(自身を除く): 9908079

約数列:

[1, 3, 11, 33, 643, 1019, 1929, 3057, 7073, 11209, 21219, 33627, 655217, 1965651, 7207387, 21622161]

約数ペア:

[(1, 21622161), (3, 7207387), (11, 1965651), (33, 655217), (643, 33627), (1019, 21219), (1929, 11209), (3057, 7073)]