21358851

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5737}}^1$

素因数の和:5830

約数の個数: 16

約数和(自身を含む): 30572064

約数和(自身を除く): 9213213

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 5737, 17211, 97529, 292587, 418801, 1256403, 7119617, 21358851]

約数ペア:

[(1, 21358851), (3, 7119617), (17, 1256403), (51, 418801), (73, 292587), (219, 97529), (1241, 17211), (3723, 5737)]