21230784

素因数分解:

$2^6\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 168

約数和(自身を含む): 66568320

約数和(自身を除く): 45337536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 32, 36, 41, 48, 58, 62, 64, 72, 82, 87, 93, 96, 116, 123, 124, 144, 164, 174, 186, 192, 232, 246, 248, 261, 279, 288, 328, 348, 369, 372, 464, 492, 496, 522, 558, 576, 656, 696, 738, 744, 899, 928, 984, 992, 1044, 1116, 1189, 1271, 1312, 1392, 1476, 1488, 1798, 1856, 1968, 1984, 2088, 2232, 2378, 2542, 2624, 2697, 2784, 2952, 2976, 3567, 3596, 3813, 3936, 4176, 4464, 4756, 5084, 5394, 5568, 5904, 5952, 7134, 7192, 7626, 7872, 8091, 8352, 8928, 9512, 10168, 10701, 10788, 11439, 11808, 14268, 14384, 15252, 16182, 16704, 17856, 19024, 20336, 21402, 21576, 22878, 23616, 28536, 28768, 30504, 32364, 36859, 38048, 40672, 42804, 43152, 45756, 57072, 57536, 61008, 64728, 73718, 76096, 81344, 85608, 86304, 91512, 110577, 114144, 122016, 129456, 147436, 171216, 172608, 183024, 221154, 228288, 244032, 258912, 294872, 331731, 342432, 366048, 442308, 517824, 589744, 663462, 684864, 732096, 884616, 1179488, 1326924, 1769232, 2358976, 2653848, 3538464, 5307696, 7076928, 10615392, 21230784]

約数ペア:

[(1, 21230784), (2, 10615392), (3, 7076928), (4, 5307696), (6, 3538464), (8, 2653848), (9, 2358976), (12, 1769232), (16, 1326924), (18, 1179488), (24, 884616), (29, 732096), (31, 684864), (32, 663462), (36, 589744), (41, 517824), (48, 442308), (58, 366048), (62, 342432), (64, 331731), (72, 294872), (82, 258912), (87, 244032), (93, 228288), (96, 221154), (116, 183024), (123, 172608), (124, 171216), (144, 147436), (164, 129456), (174, 122016), (186, 114144), (192, 110577), (232, 91512), (246, 86304), (248, 85608), (261, 81344), (279, 76096), (288, 73718), (328, 64728), (348, 61008), (369, 57536), (372, 57072), (464, 45756), (492, 43152), (496, 42804), (522, 40672), (558, 38048), (576, 36859), (656, 32364), (696, 30504), (738, 28768), (744, 28536), (899, 23616), (928, 22878), (984, 21576), (992, 21402), (1044, 20336), (1116, 19024), (1189, 17856), (1271, 16704), (1312, 16182), (1392, 15252), (1476, 14384), (1488, 14268), (1798, 11808), (1856, 11439), (1968, 10788), (1984, 10701), (2088, 10168), (2232, 9512), (2378, 8928), (2542, 8352), (2624, 8091), (2697, 7872), (2784, 7626), (2952, 7192), (2976, 7134), (3567, 5952), (3596, 5904), (3813, 5568), (3936, 5394), (4176, 5084), (4464, 4756)]