21723801

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3637}}^1$

素因数の和:3832

約数の個数: 16

約数和(自身を含む): 31781568

約数和(自身を除く): 10057767

約数列:

[1, 3, 11, 33, 181, 543, 1991, 3637, 5973, 10911, 40007, 120021, 658297, 1974891, 7241267, 21723801]

約数ペア:

[(1, 21723801), (3, 7241267), (11, 1974891), (33, 658297), (181, 120021), (543, 40007), (1991, 10911), (3637, 5973)]