21242445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{202309}}^1$

素因数の和:202324

約数の個数: 16

約数和(自身を含む): 38843520

約数和(自身を除く): 17601075

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 202309, 606927, 1011545, 1416163, 3034635, 4248489, 7080815, 21242445]

約数ペア:

[(1, 21242445), (3, 7080815), (5, 4248489), (7, 3034635), (15, 1416163), (21, 1011545), (35, 606927), (105, 202309)]