21748608

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 256

約数和(自身を含む): 78336000

約数和(自身を除く): 56587392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 31, 32, 36, 42, 48, 54, 56, 58, 62, 63, 64, 72, 84, 87, 93, 96, 108, 112, 116, 124, 126, 128, 144, 168, 174, 186, 189, 192, 203, 216, 217, 224, 232, 248, 252, 261, 279, 288, 336, 348, 372, 378, 384, 406, 432, 434, 448, 464, 496, 504, 522, 558, 576, 609, 651, 672, 696, 744, 756, 783, 812, 837, 864, 868, 896, 899, 928, 992, 1008, 1044, 1116, 1152, 1218, 1302, 1344, 1392, 1488, 1512, 1566, 1624, 1674, 1728, 1736, 1798, 1827, 1856, 1953, 1984, 2016, 2088, 2232, 2436, 2604, 2688, 2697, 2784, 2976, 3024, 3132, 3248, 3348, 3456, 3472, 3596, 3654, 3712, 3906, 3968, 4032, 4176, 4464, 4872, 5208, 5394, 5481, 5568, 5859, 5952, 6048, 6264, 6293, 6496, 6696, 6944, 7192, 7308, 7812, 8064, 8091, 8352, 8928, 9744, 10416, 10788, 10962, 11136, 11718, 11904, 12096, 12528, 12586, 12992, 13392, 13888, 14384, 14616, 15624, 16182, 16704, 17856, 18879, 19488, 20832, 21576, 21924, 23436, 24192, 24273, 25056, 25172, 25984, 26784, 27776, 28768, 29232, 31248, 32364, 33408, 35712, 37758, 38976, 41664, 43152, 43848, 46872, 48546, 50112, 50344, 53568, 56637, 57536, 58464, 62496, 64728, 75516, 77952, 83328, 86304, 87696, 93744, 97092, 100224, 100688, 107136, 113274, 115072, 116928, 124992, 129456, 151032, 169911, 172608, 175392, 187488, 194184, 201376, 226548, 233856, 249984, 258912, 302064, 339822, 345216, 350784, 374976, 388368, 402752, 453096, 517824, 604128, 679644, 701568, 749952, 776736, 805504, 906192, 1035648, 1208256, 1359288, 1553472, 1812384, 2416512, 2718576, 3106944, 3624768, 5437152, 7249536, 10874304, 21748608]

約数ペア:

[(1, 21748608), (2, 10874304), (3, 7249536), (4, 5437152), (6, 3624768), (7, 3106944), (8, 2718576), (9, 2416512), (12, 1812384), (14, 1553472), (16, 1359288), (18, 1208256), (21, 1035648), (24, 906192), (27, 805504), (28, 776736), (29, 749952), (31, 701568), (32, 679644), (36, 604128), (42, 517824), (48, 453096), (54, 402752), (56, 388368), (58, 374976), (62, 350784), (63, 345216), (64, 339822), (72, 302064), (84, 258912), (87, 249984), (93, 233856), (96, 226548), (108, 201376), (112, 194184), (116, 187488), (124, 175392), (126, 172608), (128, 169911), (144, 151032), (168, 129456), (174, 124992), (186, 116928), (189, 115072), (192, 113274), (203, 107136), (216, 100688), (217, 100224), (224, 97092), (232, 93744), (248, 87696), (252, 86304), (261, 83328), (279, 77952), (288, 75516), (336, 64728), (348, 62496), (372, 58464), (378, 57536), (384, 56637), (406, 53568), (432, 50344), (434, 50112), (448, 48546), (464, 46872), (496, 43848), (504, 43152), (522, 41664), (558, 38976), (576, 37758), (609, 35712), (651, 33408), (672, 32364), (696, 31248), (744, 29232), (756, 28768), (783, 27776), (812, 26784), (837, 25984), (864, 25172), (868, 25056), (896, 24273), (899, 24192), (928, 23436), (992, 21924), (1008, 21576), (1044, 20832), (1116, 19488), (1152, 18879), (1218, 17856), (1302, 16704), (1344, 16182), (1392, 15624), (1488, 14616), (1512, 14384), (1566, 13888), (1624, 13392), (1674, 12992), (1728, 12586), (1736, 12528), (1798, 12096), (1827, 11904), (1856, 11718), (1953, 11136), (1984, 10962), (2016, 10788), (2088, 10416), (2232, 9744), (2436, 8928), (2604, 8352), (2688, 8091), (2697, 8064), (2784, 7812), (2976, 7308), (3024, 7192), (3132, 6944), (3248, 6696), (3348, 6496), (3456, 6293), (3472, 6264), (3596, 6048), (3654, 5952), (3712, 5859), (3906, 5568), (3968, 5481), (4032, 5394), (4176, 5208), (4464, 4872)]