21476475

素因数分解:

$3^3\times 5^2\times {\mathrm{31817}}^1$

素因数の和:31836

約数の個数: 24

約数和(自身を含む): 39454320

約数和(自身を除く): 17977845

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31817, 95451, 159085, 286353, 477255, 795425, 859059, 1431765, 2386275, 4295295, 7158825, 21476475]

約数ペア:

[(1, 21476475), (3, 7158825), (5, 4295295), (9, 2386275), (15, 1431765), (25, 859059), (27, 795425), (45, 477255), (75, 286353), (135, 159085), (225, 95451), (675, 31817)]