21665358

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 58181760

約数和(自身を除く): 36516402

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 19, 22, 26, 33, 38, 39, 57, 66, 78, 99, 114, 117, 143, 171, 198, 209, 234, 247, 286, 342, 418, 429, 443, 494, 627, 741, 858, 886, 1254, 1287, 1329, 1482, 1881, 2223, 2574, 2658, 2717, 3762, 3987, 4446, 4873, 5434, 5759, 7974, 8151, 8417, 9746, 11518, 14619, 16302, 16834, 17277, 24453, 25251, 29238, 34554, 43857, 48906, 50502, 51831, 63349, 75753, 87714, 92587, 103662, 109421, 126698, 151506, 185174, 190047, 218842, 277761, 328263, 380094, 555522, 570141, 656526, 833283, 984789, 1140282, 1203631, 1666566, 1969578, 2407262, 3610893, 7221786, 10832679, 21665358]

約数ペア:

[(1, 21665358), (2, 10832679), (3, 7221786), (6, 3610893), (9, 2407262), (11, 1969578), (13, 1666566), (18, 1203631), (19, 1140282), (22, 984789), (26, 833283), (33, 656526), (38, 570141), (39, 555522), (57, 380094), (66, 328263), (78, 277761), (99, 218842), (114, 190047), (117, 185174), (143, 151506), (171, 126698), (198, 109421), (209, 103662), (234, 92587), (247, 87714), (286, 75753), (342, 63349), (418, 51831), (429, 50502), (443, 48906), (494, 43857), (627, 34554), (741, 29238), (858, 25251), (886, 24453), (1254, 17277), (1287, 16834), (1329, 16302), (1482, 14619), (1881, 11518), (2223, 9746), (2574, 8417), (2658, 8151), (2717, 7974), (3762, 5759), (3987, 5434), (4446, 4873)]