21802731

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1907}}^1$

素因数の和:2050

約数の個数: 16

約数和(自身を含む): 30161664

約数和(自身を除く): 8358933

約数列:

[1, 3, 37, 103, 111, 309, 1907, 3811, 5721, 11433, 70559, 196421, 211677, 589263, 7267577, 21802731]

約数ペア:

[(1, 21802731), (3, 7267577), (37, 589263), (103, 211677), (111, 196421), (309, 70559), (1907, 11433), (3811, 5721)]