21048076

素因数分解:

$2^2\times 7^1\times {\mathrm{751717}}^1$

素因数の和:751728

約数の個数: 12

約数和(自身を含む): 42096208

約数和(自身を除く): 21048132

約数列:

[1, 2, 4, 7, 14, 28, 751717, 1503434, 3006868, 5262019, 10524038, 21048076]

約数ペア:

[(1, 21048076), (2, 10524038), (4, 5262019), (7, 3006868), (14, 1503434), (28, 751717)]