21621263104

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2657}}^1$

素因数の和:2938

約数の個数: 144

約数和(自身を含む): 52156339200

約数和(自身を除く): 30535076096

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 239, 256, 266, 304, 448, 478, 532, 608, 896, 956, 1064, 1216, 1673, 1792, 1912, 2128, 2432, 2657, 3346, 3824, 4256, 4541, 4864, 5314, 6692, 7648, 8512, 9082, 10628, 13384, 15296, 17024, 18164, 18599, 21256, 26768, 30592, 31787, 34048, 36328, 37198, 42512, 50483, 53536, 61184, 63574, 72656, 74396, 85024, 100966, 107072, 127148, 145312, 148792, 170048, 201932, 214144, 254296, 290624, 297584, 340096, 353381, 403864, 428288, 508592, 581248, 595168, 635023, 680192, 706762, 807728, 1017184, 1162496, 1190336, 1270046, 1413524, 1615456, 2034368, 2380672, 2540092, 2827048, 3230912, 4068736, 4445161, 4761344, 5080184, 5654096, 6461824, 8137472, 8890322, 10160368, 11308192, 12065437, 12923648, 17780644, 20320736, 22616384, 24130874, 35561288, 40641472, 45232768, 48261748, 71122576, 81282944, 84458059, 90465536, 96523496, 142245152, 162565888, 168916118, 193046992, 284490304, 337832236, 386093984, 568980608, 675664472, 772187968, 1137961216, 1351328944, 1544375936, 2702657888, 3088751872, 5405315776, 10810631552, 21621263104]

約数ペア:

[(1, 21621263104), (2, 10810631552), (4, 5405315776), (7, 3088751872), (8, 2702657888), (14, 1544375936), (16, 1351328944), (19, 1137961216), (28, 772187968), (32, 675664472), (38, 568980608), (56, 386093984), (64, 337832236), (76, 284490304), (112, 193046992), (128, 168916118), (133, 162565888), (152, 142245152), (224, 96523496), (239, 90465536), (256, 84458059), (266, 81282944), (304, 71122576), (448, 48261748), (478, 45232768), (532, 40641472), (608, 35561288), (896, 24130874), (956, 22616384), (1064, 20320736), (1216, 17780644), (1673, 12923648), (1792, 12065437), (1912, 11308192), (2128, 10160368), (2432, 8890322), (2657, 8137472), (3346, 6461824), (3824, 5654096), (4256, 5080184), (4541, 4761344), (4864, 4445161), (5314, 4068736), (6692, 3230912), (7648, 2827048), (8512, 2540092), (9082, 2380672), (10628, 2034368), (13384, 1615456), (15296, 1413524), (17024, 1270046), (18164, 1190336), (18599, 1162496), (21256, 1017184), (26768, 807728), (30592, 706762), (31787, 680192), (34048, 635023), (36328, 595168), (37198, 581248), (42512, 508592), (50483, 428288), (53536, 403864), (61184, 353381), (63574, 340096), (72656, 297584), (74396, 290624), (85024, 254296), (100966, 214144), (107072, 201932), (127148, 170048), (145312, 148792)]