21779187

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2111}}^1$

素因数の和:2314

約数の個数: 16

約数和(自身を含む): 30750720

約数和(自身を除く): 8971533

約数列:

[1, 3, 19, 57, 181, 543, 2111, 3439, 6333, 10317, 40109, 120327, 382091, 1146273, 7259729, 21779187]

約数ペア:

[(1, 21779187), (3, 7259729), (19, 1146273), (57, 382091), (181, 120327), (543, 40109), (2111, 10317), (3439, 6333)]