21039012

素因数分解:

$2^2\times 3^2\times {\mathrm{584417}}^1$

素因数の和:584427

約数の個数: 18

約数和(自身を含む): 53182038

約数和(自身を除く): 32143026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 584417, 1168834, 1753251, 2337668, 3506502, 5259753, 7013004, 10519506, 21039012]

約数ペア:

[(1, 21039012), (2, 10519506), (3, 7013004), (4, 5259753), (6, 3506502), (9, 2337668), (12, 1753251), (18, 1168834), (36, 584417)]