21455433

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{17401}}^1$

素因数の和:17544

約数の個数: 12

約数和(自身を含む): 31219188

約数和(自身を除く): 9763755

約数列:

[1, 3, 9, 137, 411, 1233, 17401, 52203, 156609, 2383937, 7151811, 21455433]

約数ペア:

[(1, 21455433), (3, 7151811), (9, 2383937), (137, 156609), (411, 52203), (1233, 17401)]