21531564

素因数分解:

$2^2\times 3^2\times {\mathrm{598099}}^1$

素因数の和:598109

約数の個数: 18

約数和(自身を含む): 54427100

約数和(自身を除く): 32895536

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 598099, 1196198, 1794297, 2392396, 3588594, 5382891, 7177188, 10765782, 21531564]

約数ペア:

[(1, 21531564), (2, 10765782), (3, 7177188), (4, 5382891), (6, 3588594), (9, 2392396), (12, 1794297), (18, 1196198), (36, 598099)]