21333441

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2252

約数の個数: 16

約数和(自身を含む): 29472768

約数和(自身を除く): 8139327

約数列:

[1, 3, 47, 71, 141, 213, 2131, 3337, 6393, 10011, 100157, 151301, 300471, 453903, 7111147, 21333441]

約数ペア:

[(1, 21333441), (3, 7111147), (47, 453903), (71, 300471), (141, 151301), (213, 100157), (2131, 10011), (3337, 6393)]