21283960

素因数分解:

$2^3\times 5^1\times {\mathrm{532099}}^1$

素因数の和:532110

約数の個数: 16

約数和(自身を含む): 47889000

約数和(自身を除く): 26605040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 532099, 1064198, 2128396, 2660495, 4256792, 5320990, 10641980, 21283960]

約数ペア:

[(1, 21283960), (2, 10641980), (4, 5320990), (5, 4256792), (8, 2660495), (10, 2128396), (20, 1064198), (40, 532099)]