21345873

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2069}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 30139200

約数和(自身を除く): 8793327

約数列:

[1, 3, 19, 57, 181, 543, 2069, 3439, 6207, 10317, 39311, 117933, 374489, 1123467, 7115291, 21345873]

約数ペア:

[(1, 21345873), (3, 7115291), (19, 1123467), (57, 374489), (181, 117933), (543, 39311), (2069, 10317), (3439, 6207)]