21738765

素因数分解:

$3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{3347}}^1$

素因数の和:3788

約数の個数: 16

約数和(自身を含む): 34872768

約数和(自身を除く): 13134003

約数列:

[1, 3, 5, 15, 433, 1299, 2165, 3347, 6495, 10041, 16735, 50205, 1449251, 4347753, 7246255, 21738765]

約数ペア:

[(1, 21738765), (3, 7246255), (5, 4347753), (15, 1449251), (433, 50205), (1299, 16735), (2165, 10041), (3347, 6495)]