21251163

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 28823040

約数和(自身を除く): 7571877

約数列:

[1, 3, 107, 239, 277, 321, 717, 831, 25573, 29639, 66203, 76719, 88917, 198609, 7083721, 21251163]

約数ペア:

[(1, 21251163), (3, 7083721), (107, 198609), (239, 88917), (277, 76719), (321, 66203), (717, 29639), (831, 25573)]