21088004

素因数分解:

$2^2\times 7^1\times {\mathrm{753143}}^1$

素因数の和:753154

約数の個数: 12

約数和(自身を含む): 42176064

約数和(自身を除く): 21088060

約数列:

[1, 2, 4, 7, 14, 28, 753143, 1506286, 3012572, 5272001, 10544002, 21088004]

約数ペア:

[(1, 21088004), (2, 10544002), (4, 5272001), (7, 3012572), (14, 1506286), (28, 753143)]