21901497

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2423}}^1$

素因数の和:2580

約数の個数: 16

約数和(自身を含む): 30716928

約数和(自身を除く): 8815431

約数列:

[1, 3, 23, 69, 131, 393, 2423, 3013, 7269, 9039, 55729, 167187, 317413, 952239, 7300499, 21901497]

約数ペア:

[(1, 21901497), (3, 7300499), (23, 952239), (69, 317413), (131, 167187), (393, 55729), (2423, 9039), (3013, 7269)]