21128009728

素因数分解:

$2^{11}\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1583}}^1$

素因数の和:1645

約数の個数: 192

約数和(自身を含む): 51891840000

約数和(自身を除く): 30763830272

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 196, 224, 256, 266, 304, 343, 392, 448, 512, 532, 608, 686, 784, 896, 931, 1024, 1064, 1216, 1372, 1568, 1583, 1792, 1862, 2048, 2128, 2432, 2744, 3136, 3166, 3584, 3724, 4256, 4864, 5488, 6272, 6332, 6517, 7168, 7448, 8512, 9728, 10976, 11081, 12544, 12664, 13034, 14336, 14896, 17024, 19456, 21952, 22162, 25088, 25328, 26068, 29792, 30077, 34048, 38912, 43904, 44324, 50176, 50656, 52136, 59584, 60154, 68096, 77567, 87808, 88648, 100352, 101312, 104272, 119168, 120308, 136192, 155134, 175616, 177296, 202624, 208544, 210539, 238336, 240616, 272384, 310268, 351232, 354592, 405248, 417088, 421078, 476672, 481232, 542969, 620536, 702464, 709184, 810496, 834176, 842156, 953344, 962464, 1085938, 1241072, 1418368, 1473773, 1620992, 1668352, 1684312, 1906688, 1924928, 2171876, 2482144, 2836736, 2947546, 3241984, 3336704, 3368624, 3849856, 4343752, 4964288, 5673472, 5895092, 6673408, 6737248, 7699712, 8687504, 9928576, 10316411, 11346944, 11790184, 13346816, 13474496, 15399424, 17375008, 19857152, 20632822, 22693888, 23580368, 26948992, 30798848, 34750016, 39714304, 41265644, 47160736, 53897984, 61597696, 69500032, 79428608, 82531288, 94321472, 107795968, 139000064, 158857216, 165062576, 188642944, 215591936, 278000128, 330125152, 377285888, 431183872, 556000256, 660250304, 754571776, 1112000512, 1320500608, 1509143552, 2641001216, 3018287104, 5282002432, 10564004864, 21128009728]

約数ペア:

[(1, 21128009728), (2, 10564004864), (4, 5282002432), (7, 3018287104), (8, 2641001216), (14, 1509143552), (16, 1320500608), (19, 1112000512), (28, 754571776), (32, 660250304), (38, 556000256), (49, 431183872), (56, 377285888), (64, 330125152), (76, 278000128), (98, 215591936), (112, 188642944), (128, 165062576), (133, 158857216), (152, 139000064), (196, 107795968), (224, 94321472), (256, 82531288), (266, 79428608), (304, 69500032), (343, 61597696), (392, 53897984), (448, 47160736), (512, 41265644), (532, 39714304), (608, 34750016), (686, 30798848), (784, 26948992), (896, 23580368), (931, 22693888), (1024, 20632822), (1064, 19857152), (1216, 17375008), (1372, 15399424), (1568, 13474496), (1583, 13346816), (1792, 11790184), (1862, 11346944), (2048, 10316411), (2128, 9928576), (2432, 8687504), (2744, 7699712), (3136, 6737248), (3166, 6673408), (3584, 5895092), (3724, 5673472), (4256, 4964288), (4864, 4343752), (5488, 3849856), (6272, 3368624), (6332, 3336704), (6517, 3241984), (7168, 2947546), (7448, 2836736), (8512, 2482144), (9728, 2171876), (10976, 1924928), (11081, 1906688), (12544, 1684312), (12664, 1668352), (13034, 1620992), (14336, 1473773), (14896, 1418368), (17024, 1241072), (19456, 1085938), (21952, 962464), (22162, 953344), (25088, 842156), (25328, 834176), (26068, 810496), (29792, 709184), (30077, 702464), (34048, 620536), (38912, 542969), (43904, 481232), (44324, 476672), (50176, 421078), (50656, 417088), (52136, 405248), (59584, 354592), (60154, 351232), (68096, 310268), (77567, 272384), (87808, 240616), (88648, 238336), (100352, 210539), (101312, 208544), (104272, 202624), (119168, 177296), (120308, 175616), (136192, 155134)]