21525080

素因数分解:

$2^3\times 5^1\times {\mathrm{538127}}^1$

素因数の和:538138

約数の個数: 16

約数和(自身を含む): 48431520

約数和(自身を除く): 26906440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 538127, 1076254, 2152508, 2690635, 4305016, 5381270, 10762540, 21525080]

約数ペア:

[(1, 21525080), (2, 10762540), (4, 5381270), (5, 4305016), (8, 2690635), (10, 2152508), (20, 1076254), (40, 538127)]