21425080

素因数分解:

$2^3\times 5^1\times {\mathrm{535627}}^1$

素因数の和:535638

約数の個数: 16

約数和(自身を含む): 48206520

約数和(自身を除く): 26781440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 535627, 1071254, 2142508, 2678135, 4285016, 5356270, 10712540, 21425080]

約数ペア:

[(1, 21425080), (2, 10712540), (4, 5356270), (5, 4285016), (8, 2678135), (10, 2142508), (20, 1071254), (40, 535627)]