21000377088

素因数分解:

$2^8\times 3^3\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:560

約数の個数: 288

約数和(自身を含む): 63680574720

約数和(自身を除く): 42680197632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 67, 72, 96, 108, 128, 134, 137, 144, 192, 201, 216, 256, 268, 274, 288, 331, 384, 402, 411, 432, 536, 548, 576, 603, 662, 768, 804, 822, 864, 993, 1072, 1096, 1152, 1206, 1233, 1324, 1608, 1644, 1728, 1809, 1986, 2144, 2192, 2304, 2412, 2466, 2648, 2979, 3216, 3288, 3456, 3618, 3699, 3972, 4288, 4384, 4824, 4932, 5296, 5958, 6432, 6576, 6912, 7236, 7398, 7944, 8576, 8768, 8937, 9179, 9648, 9864, 10592, 11916, 12864, 13152, 14472, 14796, 15888, 17152, 17536, 17874, 18358, 19296, 19728, 21184, 22177, 23832, 25728, 26304, 27537, 28944, 29592, 31776, 35072, 35748, 36716, 38592, 39456, 42368, 44354, 45347, 47664, 51456, 52608, 55074, 57888, 59184, 63552, 66531, 71496, 73432, 77184, 78912, 82611, 84736, 88708, 90694, 95328, 105216, 110148, 115776, 118368, 127104, 133062, 136041, 142992, 146864, 154368, 157824, 165222, 177416, 181388, 190656, 199593, 220296, 231552, 236736, 247833, 254208, 266124, 272082, 285984, 293728, 315648, 330444, 354832, 362776, 381312, 399186, 408123, 440592, 463104, 473472, 495666, 532248, 544164, 571968, 587456, 598779, 660888, 709664, 725552, 762624, 798372, 816246, 881184, 946944, 991332, 1064496, 1088328, 1143936, 1174912, 1197558, 1224369, 1321776, 1419328, 1451104, 1596744, 1632492, 1762368, 1982664, 2128992, 2176656, 2287872, 2349824, 2395116, 2448738, 2643552, 2838656, 2902208, 3038249, 3193488, 3264984, 3524736, 3965328, 4257984, 4353312, 4790232, 4897476, 5287104, 5677312, 5804416, 6076498, 6386976, 6529968, 7049472, 7930656, 8515968, 8706624, 9114747, 9580464, 9794952, 10574208, 11608832, 12152996, 12773952, 13059936, 15861312, 17031936, 17413248, 18229494, 19160928, 19589904, 21148416, 24305992, 25547904, 26119872, 27344241, 31722624, 34826496, 36458988, 38321856, 39179808, 48611984, 51095808, 52239744, 54688482, 63445248, 72917976, 76643712, 78359616, 82032723, 97223968, 104479488, 109376964, 145835952, 153287424, 156719232, 164065446, 194447936, 218753928, 291671904, 313438464, 328130892, 388895872, 437507856, 583343808, 656261784, 777791744, 875015712, 1166687616, 1312523568, 1750031424, 2333375232, 2625047136, 3500062848, 5250094272, 7000125696, 10500188544, 21000377088]

約数ペア:

[(1, 21000377088), (2, 10500188544), (3, 7000125696), (4, 5250094272), (6, 3500062848), (8, 2625047136), (9, 2333375232), (12, 1750031424), (16, 1312523568), (18, 1166687616), (24, 875015712), (27, 777791744), (32, 656261784), (36, 583343808), (48, 437507856), (54, 388895872), (64, 328130892), (67, 313438464), (72, 291671904), (96, 218753928), (108, 194447936), (128, 164065446), (134, 156719232), (137, 153287424), (144, 145835952), (192, 109376964), (201, 104479488), (216, 97223968), (256, 82032723), (268, 78359616), (274, 76643712), (288, 72917976), (331, 63445248), (384, 54688482), (402, 52239744), (411, 51095808), (432, 48611984), (536, 39179808), (548, 38321856), (576, 36458988), (603, 34826496), (662, 31722624), (768, 27344241), (804, 26119872), (822, 25547904), (864, 24305992), (993, 21148416), (1072, 19589904), (1096, 19160928), (1152, 18229494), (1206, 17413248), (1233, 17031936), (1324, 15861312), (1608, 13059936), (1644, 12773952), (1728, 12152996), (1809, 11608832), (1986, 10574208), (2144, 9794952), (2192, 9580464), (2304, 9114747), (2412, 8706624), (2466, 8515968), (2648, 7930656), (2979, 7049472), (3216, 6529968), (3288, 6386976), (3456, 6076498), (3618, 5804416), (3699, 5677312), (3972, 5287104), (4288, 4897476), (4384, 4790232), (4824, 4353312), (4932, 4257984), (5296, 3965328), (5958, 3524736), (6432, 3264984), (6576, 3193488), (6912, 3038249), (7236, 2902208), (7398, 2838656), (7944, 2643552), (8576, 2448738), (8768, 2395116), (8937, 2349824), (9179, 2287872), (9648, 2176656), (9864, 2128992), (10592, 1982664), (11916, 1762368), (12864, 1632492), (13152, 1596744), (14472, 1451104), (14796, 1419328), (15888, 1321776), (17152, 1224369), (17536, 1197558), (17874, 1174912), (18358, 1143936), (19296, 1088328), (19728, 1064496), (21184, 991332), (22177, 946944), (23832, 881184), (25728, 816246), (26304, 798372), (27537, 762624), (28944, 725552), (29592, 709664), (31776, 660888), (35072, 598779), (35748, 587456), (36716, 571968), (38592, 544164), (39456, 532248), (42368, 495666), (44354, 473472), (45347, 463104), (47664, 440592), (51456, 408123), (52608, 399186), (55074, 381312), (57888, 362776), (59184, 354832), (63552, 330444), (66531, 315648), (71496, 293728), (73432, 285984), (77184, 272082), (78912, 266124), (82611, 254208), (84736, 247833), (88708, 236736), (90694, 231552), (95328, 220296), (105216, 199593), (110148, 190656), (115776, 181388), (118368, 177416), (127104, 165222), (133062, 157824), (136041, 154368), (142992, 146864)]