21228558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2143}}^1$

素因数の和:2288

約数の個数: 32

約数和(自身を含む): 46104576

約数和(自身を除く): 24876018

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 254, 381, 762, 1651, 2143, 3302, 4286, 4953, 6429, 9906, 12858, 27859, 55718, 83577, 167154, 272161, 544322, 816483, 1632966, 3538093, 7076186, 10614279, 21228558]

約数ペア:

[(1, 21228558), (2, 10614279), (3, 7076186), (6, 3538093), (13, 1632966), (26, 816483), (39, 544322), (78, 272161), (127, 167154), (254, 83577), (381, 55718), (762, 27859), (1651, 12858), (2143, 9906), (3302, 6429), (4286, 4953)]