21860781

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{683}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 29942784

約数和(自身を除く): 8082003

約数列:

[1, 3, 47, 141, 227, 681, 683, 2049, 10669, 32007, 32101, 96303, 155041, 465123, 7286927, 21860781]

約数ペア:

[(1, 21860781), (3, 7286927), (47, 465123), (141, 155041), (227, 96303), (681, 32101), (683, 32007), (2049, 10669)]