21927279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{1321}}^1$

素因数の和:1838

約数の個数: 16

約数和(自身を含む): 31981824

約数和(自身を除く): 10054545

約数列:

[1, 3, 11, 33, 503, 1321, 1509, 3963, 5533, 14531, 16599, 43593, 664463, 1993389, 7309093, 21927279]

約数ペア:

[(1, 21927279), (3, 7309093), (11, 1993389), (33, 664463), (503, 43593), (1321, 16599), (1509, 14531), (3963, 5533)]