21529000

素因数分解:

$2^3\times 5^3\times {\mathrm{21529}}^1$

素因数の和:21550

約数の個数: 32

約数和(自身を含む): 50380200

約数和(自身を除く): 28851200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21529, 43058, 86116, 107645, 172232, 215290, 430580, 538225, 861160, 1076450, 2152900, 2691125, 4305800, 5382250, 10764500, 21529000]

約数ペア:

[(1, 21529000), (2, 10764500), (4, 5382250), (5, 4305800), (8, 2691125), (10, 2152900), (20, 1076450), (25, 861160), (40, 538225), (50, 430580), (100, 215290), (125, 172232), (200, 107645), (250, 86116), (500, 43058), (1000, 21529)]