21384706

素因数分解:

$2^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{2179}}^1$

素因数の和:2889

約数の個数: 16

約数和(自身を含む): 36728640

約数和(自身を除く): 15343934

約数列:

[1, 2, 7, 14, 701, 1402, 2179, 4358, 4907, 9814, 15253, 30506, 1527479, 3054958, 10692353, 21384706]

約数ペア:

[(1, 21384706), (2, 10692353), (7, 3054958), (14, 1527479), (701, 30506), (1402, 15253), (2179, 9814), (4358, 4907)]