21457666048

素因数分解:

$2^{17}\times 7^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 216

約数和(自身を含む): 53971049412

約数和(自身を除く): 32513383364

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 257, 364, 392, 416, 448, 512, 514, 637, 728, 784, 832, 896, 1024, 1028, 1274, 1456, 1568, 1664, 1792, 1799, 2048, 2056, 2548, 2912, 3136, 3328, 3341, 3584, 3598, 4096, 4112, 5096, 5824, 6272, 6656, 6682, 7168, 7196, 8192, 8224, 10192, 11648, 12544, 12593, 13312, 13364, 14336, 14392, 16384, 16448, 20384, 23296, 23387, 25088, 25186, 26624, 26728, 28672, 28784, 32768, 32896, 40768, 46592, 46774, 50176, 50372, 53248, 53456, 57344, 57568, 65536, 65792, 81536, 93184, 93548, 100352, 100744, 106496, 106912, 114688, 115136, 131072, 131584, 163072, 163709, 186368, 187096, 200704, 201488, 212992, 213824, 229376, 230272, 263168, 326144, 327418, 372736, 374192, 401408, 402976, 425984, 427648, 458752, 460544, 526336, 652288, 654836, 745472, 748384, 802816, 805952, 851968, 855296, 917504, 921088, 1052672, 1304576, 1309672, 1490944, 1496768, 1605632, 1611904, 1703936, 1710592, 1842176, 2105344, 2609152, 2619344, 2981888, 2993536, 3211264, 3223808, 3421184, 3684352, 4210688, 5218304, 5238688, 5963776, 5987072, 6422528, 6447616, 6842368, 7368704, 8421376, 10436608, 10477376, 11927552, 11974144, 12895232, 13684736, 14737408, 16842752, 20873216, 20954752, 23948288, 25790464, 27369472, 29474816, 33685504, 41746432, 41909504, 47896576, 51580928, 54738944, 58949632, 83492864, 83819008, 95793152, 103161856, 109477888, 117899264, 167638016, 191586304, 206323712, 218955776, 235798528, 335276032, 383172608, 412647424, 437911552, 670552064, 766345216, 825294848, 1341104128, 1532690432, 1650589696, 2682208256, 3065380864, 5364416512, 10728833024, 21457666048]

約数ペア:

[(1, 21457666048), (2, 10728833024), (4, 5364416512), (7, 3065380864), (8, 2682208256), (13, 1650589696), (14, 1532690432), (16, 1341104128), (26, 825294848), (28, 766345216), (32, 670552064), (49, 437911552), (52, 412647424), (56, 383172608), (64, 335276032), (91, 235798528), (98, 218955776), (104, 206323712), (112, 191586304), (128, 167638016), (182, 117899264), (196, 109477888), (208, 103161856), (224, 95793152), (256, 83819008), (257, 83492864), (364, 58949632), (392, 54738944), (416, 51580928), (448, 47896576), (512, 41909504), (514, 41746432), (637, 33685504), (728, 29474816), (784, 27369472), (832, 25790464), (896, 23948288), (1024, 20954752), (1028, 20873216), (1274, 16842752), (1456, 14737408), (1568, 13684736), (1664, 12895232), (1792, 11974144), (1799, 11927552), (2048, 10477376), (2056, 10436608), (2548, 8421376), (2912, 7368704), (3136, 6842368), (3328, 6447616), (3341, 6422528), (3584, 5987072), (3598, 5963776), (4096, 5238688), (4112, 5218304), (5096, 4210688), (5824, 3684352), (6272, 3421184), (6656, 3223808), (6682, 3211264), (7168, 2993536), (7196, 2981888), (8192, 2619344), (8224, 2609152), (10192, 2105344), (11648, 1842176), (12544, 1710592), (12593, 1703936), (13312, 1611904), (13364, 1605632), (14336, 1496768), (14392, 1490944), (16384, 1309672), (16448, 1304576), (20384, 1052672), (23296, 921088), (23387, 917504), (25088, 855296), (25186, 851968), (26624, 805952), (26728, 802816), (28672, 748384), (28784, 745472), (32768, 654836), (32896, 652288), (40768, 526336), (46592, 460544), (46774, 458752), (50176, 427648), (50372, 425984), (53248, 402976), (53456, 401408), (57344, 374192), (57568, 372736), (65536, 327418), (65792, 326144), (81536, 263168), (93184, 230272), (93548, 229376), (100352, 213824), (100744, 212992), (106496, 201488), (106912, 200704), (114688, 187096), (115136, 186368), (131072, 163709), (131584, 163072)]