21009054

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{318319}}^1$

素因数の和:318335

約数の個数: 16

約数和(自身を含む): 45838080

約数和(自身を除く): 24829026

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 318319, 636638, 954957, 1909914, 3501509, 7003018, 10504527, 21009054]

約数ペア:

[(1, 21009054), (2, 10504527), (3, 7003018), (6, 3501509), (11, 1909914), (22, 954957), (33, 636638), (66, 318319)]