21587904

素因数分解:

$2^6\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:96

約数の個数: 168

約数和(自身を含む): 70622160

約数和(自身を除く): 49034256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 32, 36, 39, 48, 52, 54, 62, 64, 72, 78, 93, 96, 104, 108, 117, 124, 144, 156, 186, 192, 208, 216, 234, 248, 279, 288, 312, 351, 372, 403, 416, 432, 468, 496, 558, 576, 624, 702, 744, 806, 832, 837, 864, 936, 961, 992, 1116, 1209, 1248, 1404, 1488, 1612, 1674, 1728, 1872, 1922, 1984, 2232, 2418, 2496, 2808, 2883, 2976, 3224, 3348, 3627, 3744, 3844, 4464, 4836, 5616, 5766, 5952, 6448, 6696, 7254, 7488, 7688, 8649, 8928, 9672, 10881, 11232, 11532, 12493, 12896, 13392, 14508, 15376, 17298, 17856, 19344, 21762, 22464, 23064, 24986, 25792, 25947, 26784, 29016, 30752, 34596, 37479, 38688, 43524, 46128, 49972, 51894, 53568, 58032, 61504, 69192, 74958, 77376, 87048, 92256, 99944, 103788, 112437, 116064, 138384, 149916, 174096, 184512, 199888, 207576, 224874, 232128, 276768, 299832, 337311, 348192, 399776, 415152, 449748, 553536, 599664, 674622, 696384, 799552, 830304, 899496, 1199328, 1349244, 1660608, 1798992, 2398656, 2698488, 3597984, 5396976, 7195968, 10793952, 21587904]

約数ペア:

[(1, 21587904), (2, 10793952), (3, 7195968), (4, 5396976), (6, 3597984), (8, 2698488), (9, 2398656), (12, 1798992), (13, 1660608), (16, 1349244), (18, 1199328), (24, 899496), (26, 830304), (27, 799552), (31, 696384), (32, 674622), (36, 599664), (39, 553536), (48, 449748), (52, 415152), (54, 399776), (62, 348192), (64, 337311), (72, 299832), (78, 276768), (93, 232128), (96, 224874), (104, 207576), (108, 199888), (117, 184512), (124, 174096), (144, 149916), (156, 138384), (186, 116064), (192, 112437), (208, 103788), (216, 99944), (234, 92256), (248, 87048), (279, 77376), (288, 74958), (312, 69192), (351, 61504), (372, 58032), (403, 53568), (416, 51894), (432, 49972), (468, 46128), (496, 43524), (558, 38688), (576, 37479), (624, 34596), (702, 30752), (744, 29016), (806, 26784), (832, 25947), (837, 25792), (864, 24986), (936, 23064), (961, 22464), (992, 21762), (1116, 19344), (1209, 17856), (1248, 17298), (1404, 15376), (1488, 14508), (1612, 13392), (1674, 12896), (1728, 12493), (1872, 11532), (1922, 11232), (1984, 10881), (2232, 9672), (2418, 8928), (2496, 8649), (2808, 7688), (2883, 7488), (2976, 7254), (3224, 6696), (3348, 6448), (3627, 5952), (3744, 5766), (3844, 5616), (4464, 4836)]