21040108

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{89153}}^1$

素因数の和:89216

約数の個数: 12

約数和(自身を含む): 37444680

約数和(自身を除く): 16404572

約数列:

[1, 2, 4, 59, 118, 236, 89153, 178306, 356612, 5260027, 10520054, 21040108]

約数ペア:

[(1, 21040108), (2, 10520054), (4, 5260027), (59, 356612), (118, 178306), (236, 89153)]