21223986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 51314688

約数和(自身を除く): 30090702

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 127, 138, 161, 173, 254, 322, 346, 381, 483, 519, 762, 889, 966, 1038, 1211, 1778, 2422, 2667, 2921, 3633, 3979, 5334, 5842, 7266, 7958, 8763, 11937, 17526, 20447, 21971, 23874, 27853, 40894, 43942, 55706, 61341, 65913, 83559, 122682, 131826, 153797, 167118, 307594, 461391, 505333, 922782, 1010666, 1515999, 3031998, 3537331, 7074662, 10611993, 21223986]

約数ペア:

[(1, 21223986), (2, 10611993), (3, 7074662), (6, 3537331), (7, 3031998), (14, 1515999), (21, 1010666), (23, 922782), (42, 505333), (46, 461391), (69, 307594), (127, 167118), (138, 153797), (161, 131826), (173, 122682), (254, 83559), (322, 65913), (346, 61341), (381, 55706), (483, 43942), (519, 40894), (762, 27853), (889, 23874), (966, 21971), (1038, 20447), (1211, 17526), (1778, 11937), (2422, 8763), (2667, 7958), (2921, 7266), (3633, 5842), (3979, 5334)]