21988850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33829}}^1$

素因数の和:33854

約数の個数: 24

約数和(自身を含む): 44046660

約数和(自身を除く): 22057810

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33829, 67658, 169145, 338290, 439777, 845725, 879554, 1691450, 2198885, 4397770, 10994425, 21988850]

約数ペア:

[(1, 21988850), (2, 10994425), (5, 4397770), (10, 2198885), (13, 1691450), (25, 879554), (26, 845725), (50, 439777), (65, 338290), (130, 169145), (325, 67658), (650, 33829)]