21127928

素因数分解:

$2^3\times {\mathrm{599}}^1\times {\mathrm{4409}}^1$

素因数の和:5014

約数の個数: 16

約数和(自身を含む): 39690000

約数和(自身を除く): 18562072

約数列:

[1, 2, 4, 8, 599, 1198, 2396, 4409, 4792, 8818, 17636, 35272, 2640991, 5281982, 10563964, 21127928]

約数ペア:

[(1, 21127928), (2, 10563964), (4, 5281982), (8, 2640991), (599, 35272), (1198, 17636), (2396, 8818), (4409, 4792)]