21100177920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6287}}^1$

素因数の和:6355

約数の個数: 320

約数和(自身を含む): 74103828480

約数和(自身を除く): 53003650560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 64, 69, 76, 80, 92, 95, 96, 114, 115, 120, 128, 138, 152, 160, 184, 190, 192, 228, 230, 240, 256, 276, 285, 304, 320, 345, 368, 380, 384, 437, 456, 460, 480, 512, 552, 570, 608, 640, 690, 736, 760, 768, 874, 912, 920, 960, 1104, 1140, 1216, 1280, 1311, 1380, 1472, 1520, 1536, 1748, 1824, 1840, 1920, 2185, 2208, 2280, 2432, 2560, 2622, 2760, 2944, 3040, 3496, 3648, 3680, 3840, 4370, 4416, 4560, 4864, 5244, 5520, 5888, 6080, 6287, 6555, 6992, 7296, 7360, 7680, 8740, 8832, 9120, 9728, 10488, 11040, 11776, 12160, 12574, 13110, 13984, 14592, 14720, 17480, 17664, 18240, 18861, 20976, 22080, 24320, 25148, 26220, 27968, 29184, 29440, 31435, 34960, 35328, 36480, 37722, 41952, 44160, 48640, 50296, 52440, 55936, 58880, 62870, 69920, 72960, 75444, 83904, 88320, 94305, 100592, 104880, 111872, 119453, 125740, 139840, 144601, 145920, 150888, 167808, 176640, 188610, 201184, 209760, 223744, 238906, 251480, 279680, 289202, 301776, 335616, 358359, 377220, 402368, 419520, 433803, 477812, 502960, 559360, 578404, 597265, 603552, 671232, 716718, 723005, 754440, 804736, 839040, 867606, 955624, 1005920, 1118720, 1156808, 1194530, 1207104, 1433436, 1446010, 1508880, 1609472, 1678080, 1735212, 1791795, 1911248, 2011840, 2169015, 2313616, 2389060, 2414208, 2747419, 2866872, 2892020, 3017760, 3218944, 3356160, 3470424, 3583590, 3822496, 4023680, 4338030, 4627232, 4778120, 4828416, 5494838, 5733744, 5784040, 6035520, 6940848, 7167180, 7644992, 8047360, 8242257, 8676060, 9254464, 9556240, 9656832, 10989676, 11467488, 11568080, 12071040, 13737095, 13881696, 14334360, 15289984, 16094720, 16484514, 17352120, 18508928, 19112480, 21979352, 22934976, 23136160, 24142080, 27474190, 27763392, 28668720, 30579968, 32969028, 34704240, 37017856, 38224960, 41211285, 43958704, 45869952, 46272320, 48284160, 54948380, 55526784, 57337440, 61159936, 65938056, 69408480, 74035712, 76449920, 82422570, 87917408, 91739904, 92544640, 109896760, 111053568, 114674880, 131876112, 138816960, 152899840, 164845140, 175834816, 183479808, 185089280, 219793520, 222107136, 229349760, 263752224, 277633920, 305799680, 329690280, 351669632, 370178560, 439587040, 458699520, 527504448, 555267840, 659380560, 703339264, 879174080, 917399040, 1055008896, 1110535680, 1318761120, 1406678528, 1758348160, 2110017792, 2637522240, 3516696320, 4220035584, 5275044480, 7033392640, 10550088960, 21100177920]

約数ペア:

[(1, 21100177920), (2, 10550088960), (3, 7033392640), (4, 5275044480), (5, 4220035584), (6, 3516696320), (8, 2637522240), (10, 2110017792), (12, 1758348160), (15, 1406678528), (16, 1318761120), (19, 1110535680), (20, 1055008896), (23, 917399040), (24, 879174080), (30, 703339264), (32, 659380560), (38, 555267840), (40, 527504448), (46, 458699520), (48, 439587040), (57, 370178560), (60, 351669632), (64, 329690280), (69, 305799680), (76, 277633920), (80, 263752224), (92, 229349760), (95, 222107136), (96, 219793520), (114, 185089280), (115, 183479808), (120, 175834816), (128, 164845140), (138, 152899840), (152, 138816960), (160, 131876112), (184, 114674880), (190, 111053568), (192, 109896760), (228, 92544640), (230, 91739904), (240, 87917408), (256, 82422570), (276, 76449920), (285, 74035712), (304, 69408480), (320, 65938056), (345, 61159936), (368, 57337440), (380, 55526784), (384, 54948380), (437, 48284160), (456, 46272320), (460, 45869952), (480, 43958704), (512, 41211285), (552, 38224960), (570, 37017856), (608, 34704240), (640, 32969028), (690, 30579968), (736, 28668720), (760, 27763392), (768, 27474190), (874, 24142080), (912, 23136160), (920, 22934976), (960, 21979352), (1104, 19112480), (1140, 18508928), (1216, 17352120), (1280, 16484514), (1311, 16094720), (1380, 15289984), (1472, 14334360), (1520, 13881696), (1536, 13737095), (1748, 12071040), (1824, 11568080), (1840, 11467488), (1920, 10989676), (2185, 9656832), (2208, 9556240), (2280, 9254464), (2432, 8676060), (2560, 8242257), (2622, 8047360), (2760, 7644992), (2944, 7167180), (3040, 6940848), (3496, 6035520), (3648, 5784040), (3680, 5733744), (3840, 5494838), (4370, 4828416), (4416, 4778120), (4560, 4627232), (4864, 4338030), (5244, 4023680), (5520, 3822496), (5888, 3583590), (6080, 3470424), (6287, 3356160), (6555, 3218944), (6992, 3017760), (7296, 2892020), (7360, 2866872), (7680, 2747419), (8740, 2414208), (8832, 2389060), (9120, 2313616), (9728, 2169015), (10488, 2011840), (11040, 1911248), (11776, 1791795), (12160, 1735212), (12574, 1678080), (13110, 1609472), (13984, 1508880), (14592, 1446010), (14720, 1433436), (17480, 1207104), (17664, 1194530), (18240, 1156808), (18861, 1118720), (20976, 1005920), (22080, 955624), (24320, 867606), (25148, 839040), (26220, 804736), (27968, 754440), (29184, 723005), (29440, 716718), (31435, 671232), (34960, 603552), (35328, 597265), (36480, 578404), (37722, 559360), (41952, 502960), (44160, 477812), (48640, 433803), (50296, 419520), (52440, 402368), (55936, 377220), (58880, 358359), (62870, 335616), (69920, 301776), (72960, 289202), (75444, 279680), (83904, 251480), (88320, 238906), (94305, 223744), (100592, 209760), (104880, 201184), (111872, 188610), (119453, 176640), (125740, 167808), (139840, 150888), (144601, 145920)]