21573216

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 240

約数和(自身を含む): 76839840

約数和(自身を除く): 55266624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 32, 36, 41, 42, 48, 54, 56, 58, 63, 72, 81, 82, 84, 87, 96, 108, 112, 116, 123, 126, 144, 162, 164, 168, 174, 189, 203, 216, 224, 232, 246, 252, 261, 287, 288, 324, 328, 336, 348, 369, 378, 406, 432, 464, 492, 504, 522, 567, 574, 609, 648, 656, 672, 696, 738, 756, 783, 812, 861, 864, 928, 984, 1008, 1044, 1107, 1134, 1148, 1189, 1218, 1296, 1312, 1392, 1476, 1512, 1566, 1624, 1722, 1827, 1968, 2016, 2088, 2214, 2268, 2296, 2349, 2378, 2436, 2583, 2592, 2784, 2952, 3024, 3132, 3248, 3321, 3444, 3567, 3654, 3936, 4176, 4428, 4536, 4592, 4698, 4756, 4872, 5166, 5481, 5904, 6048, 6264, 6496, 6642, 6888, 7134, 7308, 7749, 8323, 8352, 8856, 9072, 9184, 9396, 9512, 9744, 10332, 10701, 10962, 11808, 12528, 13284, 13776, 14268, 14616, 15498, 16443, 16646, 17712, 18144, 18792, 19024, 19488, 20664, 21402, 21924, 23247, 24969, 25056, 26568, 27552, 28536, 29232, 30996, 32103, 32886, 33292, 35424, 37584, 38048, 41328, 42804, 43848, 46494, 49938, 53136, 57072, 58464, 61992, 64206, 65772, 66584, 74907, 75168, 82656, 85608, 87696, 92988, 96309, 99876, 106272, 114144, 123984, 128412, 131544, 133168, 149814, 171216, 175392, 185976, 192618, 199752, 224721, 247968, 256824, 263088, 266336, 299628, 342432, 371952, 385236, 399504, 449442, 513648, 526176, 599256, 674163, 743904, 770472, 799008, 898884, 1027296, 1198512, 1348326, 1540944, 1797768, 2397024, 2696652, 3081888, 3595536, 5393304, 7191072, 10786608, 21573216]

約数ペア:

[(1, 21573216), (2, 10786608), (3, 7191072), (4, 5393304), (6, 3595536), (7, 3081888), (8, 2696652), (9, 2397024), (12, 1797768), (14, 1540944), (16, 1348326), (18, 1198512), (21, 1027296), (24, 898884), (27, 799008), (28, 770472), (29, 743904), (32, 674163), (36, 599256), (41, 526176), (42, 513648), (48, 449442), (54, 399504), (56, 385236), (58, 371952), (63, 342432), (72, 299628), (81, 266336), (82, 263088), (84, 256824), (87, 247968), (96, 224721), (108, 199752), (112, 192618), (116, 185976), (123, 175392), (126, 171216), (144, 149814), (162, 133168), (164, 131544), (168, 128412), (174, 123984), (189, 114144), (203, 106272), (216, 99876), (224, 96309), (232, 92988), (246, 87696), (252, 85608), (261, 82656), (287, 75168), (288, 74907), (324, 66584), (328, 65772), (336, 64206), (348, 61992), (369, 58464), (378, 57072), (406, 53136), (432, 49938), (464, 46494), (492, 43848), (504, 42804), (522, 41328), (567, 38048), (574, 37584), (609, 35424), (648, 33292), (656, 32886), (672, 32103), (696, 30996), (738, 29232), (756, 28536), (783, 27552), (812, 26568), (861, 25056), (864, 24969), (928, 23247), (984, 21924), (1008, 21402), (1044, 20664), (1107, 19488), (1134, 19024), (1148, 18792), (1189, 18144), (1218, 17712), (1296, 16646), (1312, 16443), (1392, 15498), (1476, 14616), (1512, 14268), (1566, 13776), (1624, 13284), (1722, 12528), (1827, 11808), (1968, 10962), (2016, 10701), (2088, 10332), (2214, 9744), (2268, 9512), (2296, 9396), (2349, 9184), (2378, 9072), (2436, 8856), (2583, 8352), (2592, 8323), (2784, 7749), (2952, 7308), (3024, 7134), (3132, 6888), (3248, 6642), (3321, 6496), (3444, 6264), (3567, 6048), (3654, 5904), (3936, 5481), (4176, 5166), (4428, 4872), (4536, 4756), (4592, 4698)]