23221247

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 28169856

約数和(自身を除く): 4948609

約数列:

[1, 7, 43, 49, 103, 107, 301, 721, 749, 2107, 4429, 4601, 5047, 5243, 11021, 31003, 32207, 77147, 217021, 225449, 473903, 540029, 3317321, 23221247]

約数ペア:

[(1, 23221247), (7, 3317321), (43, 540029), (49, 473903), (103, 225449), (107, 217021), (301, 77147), (721, 32207), (749, 31003), (2107, 11021), (4429, 5243), (4601, 5047)]