21356330

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45439}}^1$

素因数の和:45493

約数の個数: 16

約数和(自身を含む): 39260160

約数和(自身を除く): 17903830

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 45439, 90878, 227195, 454390, 2135633, 4271266, 10678165, 21356330]

約数ペア:

[(1, 21356330), (2, 10678165), (5, 4271266), (10, 2135633), (47, 454390), (94, 227195), (235, 90878), (470, 45439)]