21283971

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2063}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 30051840

約数和(自身を除く): 8767869

約数列:

[1, 3, 19, 57, 181, 543, 2063, 3439, 6189, 10317, 39197, 117591, 373403, 1120209, 7094657, 21283971]

約数ペア:

[(1, 21283971), (3, 7094657), (19, 1120209), (57, 373403), (181, 117591), (543, 39197), (2063, 10317), (3439, 6189)]