21325779

素因数分解:

$3^2\times {\mathrm{163}}^1\times {\mathrm{14537}}^1$

素因数の和:14706

約数の個数: 12

約数和(自身を含む): 30995016

約数和(自身を除く): 9669237

約数列:

[1, 3, 9, 163, 489, 1467, 14537, 43611, 130833, 2369531, 7108593, 21325779]

約数ペア:

[(1, 21325779), (3, 7108593), (9, 2369531), (163, 130833), (489, 43611), (1467, 14537)]