21094330

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3343}}^1$

素因数の和:3981

約数の個数: 16

約数和(自身を含む): 38041344

約数和(自身を除く): 16947014

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 3343, 6310, 6686, 16715, 33430, 2109433, 4218866, 10547165, 21094330]

約数ペア:

[(1, 21094330), (2, 10547165), (5, 4218866), (10, 2109433), (631, 33430), (1262, 16715), (3155, 6686), (3343, 6310)]