21380550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{142537}}^1$

素因数の和:142552

約数の個数: 24

約数和(自身を含む): 53024136

約数和(自身を除く): 31643586

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 142537, 285074, 427611, 712685, 855222, 1425370, 2138055, 3563425, 4276110, 7126850, 10690275, 21380550]

約数ペア:

[(1, 21380550), (2, 10690275), (3, 7126850), (5, 4276110), (6, 3563425), (10, 2138055), (15, 1425370), (25, 855222), (30, 712685), (50, 427611), (75, 285074), (150, 142537)]