21421603840

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2067

約数の個数: 352

約数和(自身を含む): 66028032000

約数和(自身を除く): 44606428160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 64, 65, 70, 80, 91, 92, 104, 112, 115, 128, 130, 140, 160, 161, 182, 184, 208, 224, 230, 256, 260, 280, 299, 320, 322, 364, 368, 416, 448, 455, 460, 512, 520, 560, 598, 640, 644, 728, 736, 805, 832, 896, 910, 920, 1024, 1040, 1120, 1196, 1280, 1288, 1456, 1472, 1495, 1610, 1664, 1792, 1820, 1840, 1999, 2080, 2093, 2240, 2392, 2560, 2576, 2912, 2944, 2990, 3220, 3328, 3584, 3640, 3680, 3998, 4160, 4186, 4480, 4784, 5120, 5152, 5824, 5888, 5980, 6440, 6656, 7168, 7280, 7360, 7996, 8320, 8372, 8960, 9568, 9995, 10304, 10465, 11648, 11776, 11960, 12880, 13312, 13993, 14560, 14720, 15992, 16640, 16744, 17920, 19136, 19990, 20608, 20930, 23296, 23552, 23920, 25760, 25987, 27986, 29120, 29440, 31984, 33280, 33488, 35840, 38272, 39980, 41216, 41860, 45977, 46592, 47840, 51520, 51974, 55972, 58240, 58880, 63968, 66560, 66976, 69965, 76544, 79960, 82432, 83720, 91954, 93184, 95680, 103040, 103948, 111944, 116480, 117760, 127936, 129935, 133952, 139930, 153088, 159920, 164864, 167440, 181909, 183908, 191360, 206080, 207896, 223888, 229885, 232960, 255872, 259870, 267904, 279860, 306176, 319840, 321839, 334880, 363818, 367816, 382720, 412160, 415792, 447776, 459770, 465920, 511744, 519740, 535808, 559720, 597701, 639680, 643678, 669760, 727636, 735632, 765440, 824320, 831584, 895552, 909545, 919540, 1023488, 1039480, 1071616, 1119440, 1195402, 1279360, 1287356, 1339520, 1455272, 1471264, 1530880, 1609195, 1663168, 1791104, 1819090, 1839080, 2046976, 2078960, 2143232, 2238880, 2390804, 2558720, 2574712, 2679040, 2910544, 2942528, 2988505, 3218390, 3326336, 3582208, 3638180, 3678160, 4157920, 4183907, 4477760, 4781608, 5117440, 5149424, 5358080, 5821088, 5885056, 5977010, 6436780, 6652672, 7164416, 7276360, 7356320, 8315840, 8367814, 8955520, 9563216, 10234880, 10298848, 10716160, 11642176, 11770112, 11954020, 12873560, 13305344, 14328832, 14552720, 14712640, 16631680, 16735628, 17911040, 19126432, 20597696, 20919535, 23284352, 23540224, 23908040, 25747120, 26610688, 29105440, 29425280, 33263360, 33471256, 35822080, 38252864, 41195392, 41839070, 46568704, 47080448, 47816080, 51494240, 58210880, 58850560, 66526720, 66942512, 71644160, 76505728, 82390784, 83678140, 93137408, 95632160, 102988480, 116421760, 117701120, 133053440, 133885024, 153011456, 164781568, 167356280, 186274816, 191264320, 205976960, 232843520, 235402240, 267770048, 306022912, 329563136, 334712560, 382528640, 411953920, 465687040, 535540096, 612045824, 669425120, 765057280, 823907840, 931374080, 1071080192, 1338850240, 1530114560, 1647815680, 2142160384, 2677700480, 3060229120, 4284320768, 5355400960, 10710801920, 21421603840]

約数ペア:

[(1, 21421603840), (2, 10710801920), (4, 5355400960), (5, 4284320768), (7, 3060229120), (8, 2677700480), (10, 2142160384), (13, 1647815680), (14, 1530114560), (16, 1338850240), (20, 1071080192), (23, 931374080), (26, 823907840), (28, 765057280), (32, 669425120), (35, 612045824), (40, 535540096), (46, 465687040), (52, 411953920), (56, 382528640), (64, 334712560), (65, 329563136), (70, 306022912), (80, 267770048), (91, 235402240), (92, 232843520), (104, 205976960), (112, 191264320), (115, 186274816), (128, 167356280), (130, 164781568), (140, 153011456), (160, 133885024), (161, 133053440), (182, 117701120), (184, 116421760), (208, 102988480), (224, 95632160), (230, 93137408), (256, 83678140), (260, 82390784), (280, 76505728), (299, 71644160), (320, 66942512), (322, 66526720), (364, 58850560), (368, 58210880), (416, 51494240), (448, 47816080), (455, 47080448), (460, 46568704), (512, 41839070), (520, 41195392), (560, 38252864), (598, 35822080), (640, 33471256), (644, 33263360), (728, 29425280), (736, 29105440), (805, 26610688), (832, 25747120), (896, 23908040), (910, 23540224), (920, 23284352), (1024, 20919535), (1040, 20597696), (1120, 19126432), (1196, 17911040), (1280, 16735628), (1288, 16631680), (1456, 14712640), (1472, 14552720), (1495, 14328832), (1610, 13305344), (1664, 12873560), (1792, 11954020), (1820, 11770112), (1840, 11642176), (1999, 10716160), (2080, 10298848), (2093, 10234880), (2240, 9563216), (2392, 8955520), (2560, 8367814), (2576, 8315840), (2912, 7356320), (2944, 7276360), (2990, 7164416), (3220, 6652672), (3328, 6436780), (3584, 5977010), (3640, 5885056), (3680, 5821088), (3998, 5358080), (4160, 5149424), (4186, 5117440), (4480, 4781608), (4784, 4477760), (5120, 4183907), (5152, 4157920), (5824, 3678160), (5888, 3638180), (5980, 3582208), (6440, 3326336), (6656, 3218390), (7168, 2988505), (7280, 2942528), (7360, 2910544), (7996, 2679040), (8320, 2574712), (8372, 2558720), (8960, 2390804), (9568, 2238880), (9995, 2143232), (10304, 2078960), (10465, 2046976), (11648, 1839080), (11776, 1819090), (11960, 1791104), (12880, 1663168), (13312, 1609195), (13993, 1530880), (14560, 1471264), (14720, 1455272), (15992, 1339520), (16640, 1287356), (16744, 1279360), (17920, 1195402), (19136, 1119440), (19990, 1071616), (20608, 1039480), (20930, 1023488), (23296, 919540), (23552, 909545), (23920, 895552), (25760, 831584), (25987, 824320), (27986, 765440), (29120, 735632), (29440, 727636), (31984, 669760), (33280, 643678), (33488, 639680), (35840, 597701), (38272, 559720), (39980, 535808), (41216, 519740), (41860, 511744), (45977, 465920), (46592, 459770), (47840, 447776), (51520, 415792), (51974, 412160), (55972, 382720), (58240, 367816), (58880, 363818), (63968, 334880), (66560, 321839), (66976, 319840), (69965, 306176), (76544, 279860), (79960, 267904), (82432, 259870), (83720, 255872), (91954, 232960), (93184, 229885), (95680, 223888), (103040, 207896), (103948, 206080), (111944, 191360), (116480, 183908), (117760, 181909), (127936, 167440), (129935, 164864), (133952, 159920), (139930, 153088)]