21840232

素因数分解:

$2^3\times {\mathrm{499}}^1\times {\mathrm{5471}}^1$

素因数の和:5976

約数の個数: 16

約数和(自身を含む): 41040000

約数和(自身を除く): 19199768

約数列:

[1, 2, 4, 8, 499, 998, 1996, 3992, 5471, 10942, 21884, 43768, 2730029, 5460058, 10920116, 21840232]

約数ペア:

[(1, 21840232), (2, 10920116), (4, 5460058), (8, 2730029), (499, 43768), (998, 21884), (1996, 10942), (3992, 5471)]