21221587968

素因数分解:

$2^{10}\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8293}}^1$

素因数の和:8347

約数の個数: 264

約数和(自身を含む): 69676965072

約数和(自身を除く): 48455377104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 49, 51, 56, 64, 68, 84, 96, 98, 102, 112, 119, 128, 136, 147, 168, 192, 196, 204, 224, 238, 256, 272, 294, 336, 357, 384, 392, 408, 448, 476, 512, 544, 588, 672, 714, 768, 784, 816, 833, 896, 952, 1024, 1088, 1176, 1344, 1428, 1536, 1568, 1632, 1666, 1792, 1904, 2176, 2352, 2499, 2688, 2856, 3072, 3136, 3264, 3332, 3584, 3808, 4352, 4704, 4998, 5376, 5712, 6272, 6528, 6664, 7168, 7616, 8293, 8704, 9408, 9996, 10752, 11424, 12544, 13056, 13328, 15232, 16586, 17408, 18816, 19992, 21504, 22848, 24879, 25088, 26112, 26656, 30464, 33172, 37632, 39984, 45696, 49758, 50176, 52224, 53312, 58051, 60928, 66344, 75264, 79968, 91392, 99516, 106624, 116102, 121856, 132688, 140981, 150528, 159936, 174153, 182784, 199032, 213248, 232204, 265376, 281962, 319872, 348306, 365568, 398064, 406357, 422943, 426496, 464408, 530752, 563924, 639744, 696612, 796128, 812714, 845886, 852992, 928816, 986867, 1061504, 1127848, 1219071, 1279488, 1393224, 1592256, 1625428, 1691772, 1857632, 1973734, 2123008, 2255696, 2438142, 2558976, 2786448, 2960601, 3184512, 3250856, 3383544, 3715264, 3947468, 4246016, 4511392, 4876284, 5572896, 5921202, 6369024, 6501712, 6767088, 6908069, 7430528, 7894936, 8492032, 9022784, 9752568, 11145792, 11842404, 12738048, 13003424, 13534176, 13816138, 14861056, 15789872, 18045568, 19505136, 20724207, 22291584, 23684808, 25476096, 26006848, 27068352, 27632276, 29722112, 31579744, 36091136, 39010272, 41448414, 44583168, 47369616, 52013696, 54136704, 55264552, 59444224, 63159488, 72182272, 78020544, 82896828, 89166336, 94739232, 104027392, 108273408, 110529104, 126318976, 144364544, 156041088, 165793656, 178332672, 189478464, 208054784, 216546816, 221058208, 252637952, 312082176, 331587312, 378956928, 416109568, 433093632, 442116416, 505275904, 624164352, 663174624, 757913856, 884232832, 1010551808, 1248328704, 1326349248, 1515827712, 1768465664, 2652698496, 3031655424, 3536931328, 5305396992, 7073862656, 10610793984, 21221587968]

約数ペア:

[(1, 21221587968), (2, 10610793984), (3, 7073862656), (4, 5305396992), (6, 3536931328), (7, 3031655424), (8, 2652698496), (12, 1768465664), (14, 1515827712), (16, 1326349248), (17, 1248328704), (21, 1010551808), (24, 884232832), (28, 757913856), (32, 663174624), (34, 624164352), (42, 505275904), (48, 442116416), (49, 433093632), (51, 416109568), (56, 378956928), (64, 331587312), (68, 312082176), (84, 252637952), (96, 221058208), (98, 216546816), (102, 208054784), (112, 189478464), (119, 178332672), (128, 165793656), (136, 156041088), (147, 144364544), (168, 126318976), (192, 110529104), (196, 108273408), (204, 104027392), (224, 94739232), (238, 89166336), (256, 82896828), (272, 78020544), (294, 72182272), (336, 63159488), (357, 59444224), (384, 55264552), (392, 54136704), (408, 52013696), (448, 47369616), (476, 44583168), (512, 41448414), (544, 39010272), (588, 36091136), (672, 31579744), (714, 29722112), (768, 27632276), (784, 27068352), (816, 26006848), (833, 25476096), (896, 23684808), (952, 22291584), (1024, 20724207), (1088, 19505136), (1176, 18045568), (1344, 15789872), (1428, 14861056), (1536, 13816138), (1568, 13534176), (1632, 13003424), (1666, 12738048), (1792, 11842404), (1904, 11145792), (2176, 9752568), (2352, 9022784), (2499, 8492032), (2688, 7894936), (2856, 7430528), (3072, 6908069), (3136, 6767088), (3264, 6501712), (3332, 6369024), (3584, 5921202), (3808, 5572896), (4352, 4876284), (4704, 4511392), (4998, 4246016), (5376, 3947468), (5712, 3715264), (6272, 3383544), (6528, 3250856), (6664, 3184512), (7168, 2960601), (7616, 2786448), (8293, 2558976), (8704, 2438142), (9408, 2255696), (9996, 2123008), (10752, 1973734), (11424, 1857632), (12544, 1691772), (13056, 1625428), (13328, 1592256), (15232, 1393224), (16586, 1279488), (17408, 1219071), (18816, 1127848), (19992, 1061504), (21504, 986867), (22848, 928816), (24879, 852992), (25088, 845886), (26112, 812714), (26656, 796128), (30464, 696612), (33172, 639744), (37632, 563924), (39984, 530752), (45696, 464408), (49758, 426496), (50176, 422943), (52224, 406357), (53312, 398064), (58051, 365568), (60928, 348306), (66344, 319872), (75264, 281962), (79968, 265376), (91392, 232204), (99516, 213248), (106624, 199032), (116102, 182784), (121856, 174153), (132688, 159936), (140981, 150528)]