13221968

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{2341}}^1$

素因数の和:2702

約数の個数: 20

約数和(自身を含む): 25701108

約数和(自身を除く): 12479140

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2341, 2824, 4682, 5648, 9364, 18728, 37456, 826373, 1652746, 3305492, 6610984, 13221968]

約数ペア:

[(1, 13221968), (2, 6610984), (4, 3305492), (8, 1652746), (16, 826373), (353, 37456), (706, 18728), (1412, 9364), (2341, 5648), (2824, 4682)]