21161312256

素因数分解:

$2^{20}\times 3^1\times 7^1\times {\mathrm{31}}^2$

素因数の和:112

約数の個数: 252

約数和(自身を含む): 66639070176

約数和(自身を除く): 45477757920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 248, 256, 336, 372, 384, 434, 448, 496, 512, 651, 672, 744, 768, 868, 896, 961, 992, 1024, 1302, 1344, 1488, 1536, 1736, 1792, 1922, 1984, 2048, 2604, 2688, 2883, 2976, 3072, 3472, 3584, 3844, 3968, 4096, 5208, 5376, 5766, 5952, 6144, 6727, 6944, 7168, 7688, 7936, 8192, 10416, 10752, 11532, 11904, 12288, 13454, 13888, 14336, 15376, 15872, 16384, 20181, 20832, 21504, 23064, 23808, 24576, 26908, 27776, 28672, 30752, 31744, 32768, 40362, 41664, 43008, 46128, 47616, 49152, 53816, 55552, 57344, 61504, 63488, 65536, 80724, 83328, 86016, 92256, 95232, 98304, 107632, 111104, 114688, 123008, 126976, 131072, 161448, 166656, 172032, 184512, 190464, 196608, 215264, 222208, 229376, 246016, 253952, 262144, 322896, 333312, 344064, 369024, 380928, 393216, 430528, 444416, 458752, 492032, 507904, 524288, 645792, 666624, 688128, 738048, 761856, 786432, 861056, 888832, 917504, 984064, 1015808, 1048576, 1291584, 1333248, 1376256, 1476096, 1523712, 1572864, 1722112, 1777664, 1835008, 1968128, 2031616, 2583168, 2666496, 2752512, 2952192, 3047424, 3145728, 3444224, 3555328, 3670016, 3936256, 4063232, 5166336, 5332992, 5505024, 5904384, 6094848, 6888448, 7110656, 7340032, 7872512, 8126464, 10332672, 10665984, 11010048, 11808768, 12189696, 13776896, 14221312, 15745024, 16252928, 20665344, 21331968, 22020096, 23617536, 24379392, 27553792, 28442624, 31490048, 32505856, 41330688, 42663936, 47235072, 48758784, 55107584, 56885248, 62980096, 82661376, 85327872, 94470144, 97517568, 110215168, 113770496, 125960192, 165322752, 170655744, 188940288, 220430336, 227540992, 251920384, 330645504, 341311488, 377880576, 440860672, 503840768, 661291008, 682622976, 755761152, 881721344, 1007681536, 1322582016, 1511522304, 1763442688, 2645164032, 3023044608, 3526885376, 5290328064, 7053770752, 10580656128, 21161312256]

約数ペア:

[(1, 21161312256), (2, 10580656128), (3, 7053770752), (4, 5290328064), (6, 3526885376), (7, 3023044608), (8, 2645164032), (12, 1763442688), (14, 1511522304), (16, 1322582016), (21, 1007681536), (24, 881721344), (28, 755761152), (31, 682622976), (32, 661291008), (42, 503840768), (48, 440860672), (56, 377880576), (62, 341311488), (64, 330645504), (84, 251920384), (93, 227540992), (96, 220430336), (112, 188940288), (124, 170655744), (128, 165322752), (168, 125960192), (186, 113770496), (192, 110215168), (217, 97517568), (224, 94470144), (248, 85327872), (256, 82661376), (336, 62980096), (372, 56885248), (384, 55107584), (434, 48758784), (448, 47235072), (496, 42663936), (512, 41330688), (651, 32505856), (672, 31490048), (744, 28442624), (768, 27553792), (868, 24379392), (896, 23617536), (961, 22020096), (992, 21331968), (1024, 20665344), (1302, 16252928), (1344, 15745024), (1488, 14221312), (1536, 13776896), (1736, 12189696), (1792, 11808768), (1922, 11010048), (1984, 10665984), (2048, 10332672), (2604, 8126464), (2688, 7872512), (2883, 7340032), (2976, 7110656), (3072, 6888448), (3472, 6094848), (3584, 5904384), (3844, 5505024), (3968, 5332992), (4096, 5166336), (5208, 4063232), (5376, 3936256), (5766, 3670016), (5952, 3555328), (6144, 3444224), (6727, 3145728), (6944, 3047424), (7168, 2952192), (7688, 2752512), (7936, 2666496), (8192, 2583168), (10416, 2031616), (10752, 1968128), (11532, 1835008), (11904, 1777664), (12288, 1722112), (13454, 1572864), (13888, 1523712), (14336, 1476096), (15376, 1376256), (15872, 1333248), (16384, 1291584), (20181, 1048576), (20832, 1015808), (21504, 984064), (23064, 917504), (23808, 888832), (24576, 861056), (26908, 786432), (27776, 761856), (28672, 738048), (30752, 688128), (31744, 666624), (32768, 645792), (40362, 524288), (41664, 507904), (43008, 492032), (46128, 458752), (47616, 444416), (49152, 430528), (53816, 393216), (55552, 380928), (57344, 369024), (61504, 344064), (63488, 333312), (65536, 322896), (80724, 262144), (83328, 253952), (86016, 246016), (92256, 229376), (95232, 222208), (98304, 215264), (107632, 196608), (111104, 190464), (114688, 184512), (123008, 172032), (126976, 166656), (131072, 161448)]