21522040

素因数分解:

$2^3\times 5^1\times {\mathrm{538051}}^1$

素因数の和:538062

約数の個数: 16

約数和(自身を含む): 48424680

約数和(自身を除く): 26902640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 538051, 1076102, 2152204, 2690255, 4304408, 5380510, 10761020, 21522040]

約数ペア:

[(1, 21522040), (2, 10761020), (4, 5380510), (5, 4304408), (8, 2690255), (10, 2152204), (20, 1076102), (40, 538051)]