21439584

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:213

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 45783936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 32, 34, 36, 48, 51, 58, 68, 72, 87, 96, 102, 116, 136, 144, 151, 153, 174, 204, 232, 261, 272, 288, 302, 306, 348, 408, 453, 464, 493, 522, 544, 604, 612, 696, 816, 906, 928, 986, 1044, 1208, 1224, 1359, 1392, 1479, 1632, 1812, 1972, 2088, 2416, 2448, 2567, 2718, 2784, 2958, 3624, 3944, 4176, 4379, 4437, 4832, 4896, 5134, 5436, 5916, 7248, 7701, 7888, 8352, 8758, 8874, 10268, 10872, 11832, 13137, 14496, 15402, 15776, 17516, 17748, 20536, 21744, 23103, 23664, 26274, 30804, 35032, 35496, 39411, 41072, 43488, 46206, 47328, 52548, 61608, 70064, 70992, 74443, 78822, 82144, 92412, 105096, 123216, 140128, 141984, 148886, 157644, 184824, 210192, 223329, 246432, 297772, 315288, 369648, 420384, 446658, 595544, 630576, 669987, 739296, 893316, 1191088, 1261152, 1339974, 1786632, 2382176, 2679948, 3573264, 5359896, 7146528, 10719792, 21439584]

約数ペア:

[(1, 21439584), (2, 10719792), (3, 7146528), (4, 5359896), (6, 3573264), (8, 2679948), (9, 2382176), (12, 1786632), (16, 1339974), (17, 1261152), (18, 1191088), (24, 893316), (29, 739296), (32, 669987), (34, 630576), (36, 595544), (48, 446658), (51, 420384), (58, 369648), (68, 315288), (72, 297772), (87, 246432), (96, 223329), (102, 210192), (116, 184824), (136, 157644), (144, 148886), (151, 141984), (153, 140128), (174, 123216), (204, 105096), (232, 92412), (261, 82144), (272, 78822), (288, 74443), (302, 70992), (306, 70064), (348, 61608), (408, 52548), (453, 47328), (464, 46206), (493, 43488), (522, 41072), (544, 39411), (604, 35496), (612, 35032), (696, 30804), (816, 26274), (906, 23664), (928, 23103), (986, 21744), (1044, 20536), (1208, 17748), (1224, 17516), (1359, 15776), (1392, 15402), (1479, 14496), (1632, 13137), (1812, 11832), (1972, 10872), (2088, 10268), (2416, 8874), (2448, 8758), (2567, 8352), (2718, 7888), (2784, 7701), (2958, 7248), (3624, 5916), (3944, 5436), (4176, 5134), (4379, 4896), (4437, 4832)]