21180094

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:532

約数の個数: 24

約数和(自身を含む): 34679232

約数和(自身を除く): 13499138

約数列:

[1, 2, 13, 26, 169, 223, 281, 338, 446, 562, 2899, 3653, 5798, 7306, 37687, 47489, 62663, 75374, 94978, 125326, 814619, 1629238, 10590047, 21180094]

約数ペア:

[(1, 21180094), (2, 10590047), (13, 1629238), (26, 814619), (169, 125326), (223, 94978), (281, 75374), (338, 62663), (446, 47489), (562, 37687), (2899, 7306), (3653, 5798)]