21075574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4973}}^1$

素因数の和:5151

約数の個数: 16

約数和(自身を含む): 34260912

約数和(自身を除く): 13185338

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4973, 9946, 64649, 129298, 810599, 1621198, 10537787, 21075574]

約数ペア:

[(1, 21075574), (2, 10537787), (13, 1621198), (26, 810599), (163, 129298), (326, 64649), (2119, 9946), (4238, 4973)]