21197804544

素因数分解:

$2^{10}\times 3^3\times 7^2\times {\mathrm{15647}}^1$

素因数の和:15690

約数の個数: 264

約数和(自身を含む): 73031719680

約数和(自身を除く): 51833915136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 128, 144, 147, 168, 189, 192, 196, 216, 224, 252, 256, 288, 294, 336, 378, 384, 392, 432, 441, 448, 504, 512, 576, 588, 672, 756, 768, 784, 864, 882, 896, 1008, 1024, 1152, 1176, 1323, 1344, 1512, 1536, 1568, 1728, 1764, 1792, 2016, 2304, 2352, 2646, 2688, 3024, 3072, 3136, 3456, 3528, 3584, 4032, 4608, 4704, 5292, 5376, 6048, 6272, 6912, 7056, 7168, 8064, 9216, 9408, 10584, 10752, 12096, 12544, 13824, 14112, 15647, 16128, 18816, 21168, 21504, 24192, 25088, 27648, 28224, 31294, 32256, 37632, 42336, 46941, 48384, 50176, 56448, 62588, 64512, 75264, 84672, 93882, 96768, 109529, 112896, 125176, 140823, 150528, 169344, 187764, 193536, 219058, 225792, 250352, 281646, 328587, 338688, 375528, 422469, 438116, 451584, 500704, 563292, 657174, 677376, 751056, 766703, 844938, 876232, 985761, 1001408, 1126584, 1314348, 1354752, 1502112, 1533406, 1689876, 1752464, 1971522, 2002816, 2253168, 2300109, 2628696, 2957283, 3004224, 3066812, 3379752, 3504928, 3943044, 4005632, 4506336, 4600218, 5257392, 5914566, 6008448, 6133624, 6759504, 6900327, 7009856, 7886088, 8011264, 9012672, 9200436, 10514784, 11829132, 12016896, 12267248, 13519008, 13800654, 14019712, 15772176, 16022528, 18025344, 18400872, 20700981, 21029568, 23658264, 24033792, 24534496, 27038016, 27601308, 28039424, 31544352, 36050688, 36801744, 41401962, 42059136, 47316528, 48067584, 49068992, 54076032, 55202616, 56078848, 63088704, 72101376, 73603488, 82803924, 84118272, 94633056, 98137984, 108152064, 110405232, 112157696, 126177408, 144202752, 147206976, 165607848, 168236544, 189266112, 196275968, 216304128, 220810464, 252354816, 294413952, 331215696, 336473088, 378532224, 392551936, 432608256, 441620928, 504709632, 588827904, 662431392, 757064448, 785103872, 883241856, 1009419264, 1177655808, 1324862784, 1514128896, 1766483712, 2355311616, 2649725568, 3028257792, 3532967424, 5299451136, 7065934848, 10598902272, 21197804544]

約数ペア:

[(1, 21197804544), (2, 10598902272), (3, 7065934848), (4, 5299451136), (6, 3532967424), (7, 3028257792), (8, 2649725568), (9, 2355311616), (12, 1766483712), (14, 1514128896), (16, 1324862784), (18, 1177655808), (21, 1009419264), (24, 883241856), (27, 785103872), (28, 757064448), (32, 662431392), (36, 588827904), (42, 504709632), (48, 441620928), (49, 432608256), (54, 392551936), (56, 378532224), (63, 336473088), (64, 331215696), (72, 294413952), (84, 252354816), (96, 220810464), (98, 216304128), (108, 196275968), (112, 189266112), (126, 168236544), (128, 165607848), (144, 147206976), (147, 144202752), (168, 126177408), (189, 112157696), (192, 110405232), (196, 108152064), (216, 98137984), (224, 94633056), (252, 84118272), (256, 82803924), (288, 73603488), (294, 72101376), (336, 63088704), (378, 56078848), (384, 55202616), (392, 54076032), (432, 49068992), (441, 48067584), (448, 47316528), (504, 42059136), (512, 41401962), (576, 36801744), (588, 36050688), (672, 31544352), (756, 28039424), (768, 27601308), (784, 27038016), (864, 24534496), (882, 24033792), (896, 23658264), (1008, 21029568), (1024, 20700981), (1152, 18400872), (1176, 18025344), (1323, 16022528), (1344, 15772176), (1512, 14019712), (1536, 13800654), (1568, 13519008), (1728, 12267248), (1764, 12016896), (1792, 11829132), (2016, 10514784), (2304, 9200436), (2352, 9012672), (2646, 8011264), (2688, 7886088), (3024, 7009856), (3072, 6900327), (3136, 6759504), (3456, 6133624), (3528, 6008448), (3584, 5914566), (4032, 5257392), (4608, 4600218), (4704, 4506336), (5292, 4005632), (5376, 3943044), (6048, 3504928), (6272, 3379752), (6912, 3066812), (7056, 3004224), (7168, 2957283), (8064, 2628696), (9216, 2300109), (9408, 2253168), (10584, 2002816), (10752, 1971522), (12096, 1752464), (12544, 1689876), (13824, 1533406), (14112, 1502112), (15647, 1354752), (16128, 1314348), (18816, 1126584), (21168, 1001408), (21504, 985761), (24192, 876232), (25088, 844938), (27648, 766703), (28224, 751056), (31294, 677376), (32256, 657174), (37632, 563292), (42336, 500704), (46941, 451584), (48384, 438116), (50176, 422469), (56448, 375528), (62588, 338688), (64512, 328587), (75264, 281646), (84672, 250352), (93882, 225792), (96768, 219058), (109529, 193536), (112896, 187764), (125176, 169344), (140823, 150528)]