21613450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22751}}^1$

素因数の和:22782

約数の個数: 24

約数和(自身を含む): 42318720

約数和(自身を除く): 20705270

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 22751, 45502, 113755, 227510, 432269, 568775, 864538, 1137550, 2161345, 4322690, 10806725, 21613450]

約数ペア:

[(1, 21613450), (2, 10806725), (5, 4322690), (10, 2161345), (19, 1137550), (25, 864538), (38, 568775), (50, 432269), (95, 227510), (190, 113755), (475, 45502), (950, 22751)]