21257069499

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{8461}}^1$

素因数の和:8772

約数の個数: 48

約数和(自身を含む): 32790588480

約数和(自身を除く): 11533518981

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 229, 477, 687, 1219, 2061, 3657, 5267, 8461, 10971, 12137, 15801, 25383, 36411, 47403, 76149, 109233, 194603, 279151, 448433, 583809, 837453, 1345299, 1751427, 1937569, 2512359, 4035897, 5812707, 10313959, 17438121, 30941877, 44564087, 92825631, 102691157, 133692261, 308073471, 401076783, 924220413, 2361896611, 7085689833, 21257069499]

約数ペア:

[(1, 21257069499), (3, 7085689833), (9, 2361896611), (23, 924220413), (53, 401076783), (69, 308073471), (159, 133692261), (207, 102691157), (229, 92825631), (477, 44564087), (687, 30941877), (1219, 17438121), (2061, 10313959), (3657, 5812707), (5267, 4035897), (8461, 2512359), (10971, 1937569), (12137, 1751427), (15801, 1345299), (25383, 837453), (36411, 583809), (47403, 448433), (76149, 279151), (109233, 194603)]