21219912

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:683

約数の個数: 96

約数和(自身を含む): 66718080

約数和(自身を除く): 45498168

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 71, 72, 84, 126, 142, 168, 213, 252, 284, 426, 497, 504, 568, 593, 639, 852, 994, 1186, 1278, 1491, 1704, 1779, 1988, 2372, 2556, 2982, 3558, 3976, 4151, 4473, 4744, 5112, 5337, 5964, 7116, 8302, 8946, 10674, 11928, 12453, 14232, 16604, 17892, 21348, 24906, 33208, 35784, 37359, 42103, 42696, 49812, 74718, 84206, 99624, 126309, 149436, 168412, 252618, 294721, 298872, 336824, 378927, 505236, 589442, 757854, 884163, 1010472, 1178884, 1515708, 1768326, 2357768, 2652489, 3031416, 3536652, 5304978, 7073304, 10609956, 21219912]

約数ペア:

[(1, 21219912), (2, 10609956), (3, 7073304), (4, 5304978), (6, 3536652), (7, 3031416), (8, 2652489), (9, 2357768), (12, 1768326), (14, 1515708), (18, 1178884), (21, 1010472), (24, 884163), (28, 757854), (36, 589442), (42, 505236), (56, 378927), (63, 336824), (71, 298872), (72, 294721), (84, 252618), (126, 168412), (142, 149436), (168, 126309), (213, 99624), (252, 84206), (284, 74718), (426, 49812), (497, 42696), (504, 42103), (568, 37359), (593, 35784), (639, 33208), (852, 24906), (994, 21348), (1186, 17892), (1278, 16604), (1491, 14232), (1704, 12453), (1779, 11928), (1988, 10674), (2372, 8946), (2556, 8302), (2982, 7116), (3558, 5964), (3976, 5337), (4151, 5112), (4473, 4744)]