21442040

素因数分解:

$2^3\times 5^1\times {\mathrm{536051}}^1$

素因数の和:536062

約数の個数: 16

約数和(自身を含む): 48244680

約数和(自身を除く): 26802640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 536051, 1072102, 2144204, 2680255, 4288408, 5360510, 10721020, 21442040]

約数ペア:

[(1, 21442040), (2, 10721020), (4, 5360510), (5, 4288408), (8, 2680255), (10, 2144204), (20, 1072102), (40, 536051)]