21793850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33529}}^1$

素因数の和:33554

約数の個数: 24

約数和(自身を含む): 43656060

約数和(自身を除く): 21862210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33529, 67058, 167645, 335290, 435877, 838225, 871754, 1676450, 2179385, 4358770, 10896925, 21793850]

約数ペア:

[(1, 21793850), (2, 10896925), (5, 4358770), (10, 2179385), (13, 1676450), (25, 871754), (26, 838225), (50, 435877), (65, 335290), (130, 167645), (325, 67058), (650, 33529)]