21317088

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 46420512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 29, 31, 32, 38, 39, 48, 52, 57, 58, 62, 76, 78, 87, 93, 96, 104, 114, 116, 124, 152, 156, 174, 186, 208, 228, 232, 247, 248, 304, 312, 348, 372, 377, 403, 416, 456, 464, 494, 496, 551, 589, 608, 624, 696, 741, 744, 754, 806, 899, 912, 928, 988, 992, 1102, 1131, 1178, 1209, 1248, 1392, 1482, 1488, 1508, 1612, 1653, 1767, 1798, 1824, 1976, 2204, 2262, 2356, 2418, 2697, 2784, 2964, 2976, 3016, 3224, 3306, 3534, 3596, 3952, 4408, 4524, 4712, 4836, 5394, 5928, 6032, 6448, 6612, 7068, 7163, 7192, 7657, 7904, 8816, 9048, 9424, 9672, 10788, 11687, 11856, 12064, 12896, 13224, 14136, 14326, 14384, 15314, 17081, 17632, 18096, 18848, 19344, 21489, 21576, 22971, 23374, 23712, 26448, 28272, 28652, 28768, 30628, 34162, 35061, 36192, 38688, 42978, 43152, 45942, 46748, 51243, 52896, 56544, 57304, 61256, 68324, 70122, 85956, 86304, 91884, 93496, 102486, 114608, 122512, 136648, 140244, 171912, 183768, 186992, 204972, 222053, 229216, 245024, 273296, 280488, 343824, 367536, 373984, 409944, 444106, 546592, 560976, 666159, 687648, 735072, 819888, 888212, 1121952, 1332318, 1639776, 1776424, 2664636, 3552848, 5329272, 7105696, 10658544, 21317088]

約数ペア:

[(1, 21317088), (2, 10658544), (3, 7105696), (4, 5329272), (6, 3552848), (8, 2664636), (12, 1776424), (13, 1639776), (16, 1332318), (19, 1121952), (24, 888212), (26, 819888), (29, 735072), (31, 687648), (32, 666159), (38, 560976), (39, 546592), (48, 444106), (52, 409944), (57, 373984), (58, 367536), (62, 343824), (76, 280488), (78, 273296), (87, 245024), (93, 229216), (96, 222053), (104, 204972), (114, 186992), (116, 183768), (124, 171912), (152, 140244), (156, 136648), (174, 122512), (186, 114608), (208, 102486), (228, 93496), (232, 91884), (247, 86304), (248, 85956), (304, 70122), (312, 68324), (348, 61256), (372, 57304), (377, 56544), (403, 52896), (416, 51243), (456, 46748), (464, 45942), (494, 43152), (496, 42978), (551, 38688), (589, 36192), (608, 35061), (624, 34162), (696, 30628), (741, 28768), (744, 28652), (754, 28272), (806, 26448), (899, 23712), (912, 23374), (928, 22971), (988, 21576), (992, 21489), (1102, 19344), (1131, 18848), (1178, 18096), (1209, 17632), (1248, 17081), (1392, 15314), (1482, 14384), (1488, 14326), (1508, 14136), (1612, 13224), (1653, 12896), (1767, 12064), (1798, 11856), (1824, 11687), (1976, 10788), (2204, 9672), (2262, 9424), (2356, 9048), (2418, 8816), (2697, 7904), (2784, 7657), (2964, 7192), (2976, 7163), (3016, 7068), (3224, 6612), (3306, 6448), (3534, 6032), (3596, 5928), (3952, 5394), (4408, 4836), (4524, 4712)]