21745011

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{863}}^1$

素因数の和:1130

約数の個数: 16

約数和(自身を含む): 29942784

約数和(自身を除く): 8197773

約数列:

[1, 3, 37, 111, 227, 681, 863, 2589, 8399, 25197, 31931, 95793, 195901, 587703, 7248337, 21745011]

約数ペア:

[(1, 21745011), (3, 7248337), (37, 587703), (111, 195901), (227, 95793), (681, 31931), (863, 25197), (2589, 8399)]