21009995776

素因数分解:

$2^{11}\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2719}}^1$

素因数の和:2773

約数の個数: 192

約数和(自身を含む): 53464320000

約数和(自身を除く): 32454324224

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 256, 308, 343, 352, 392, 448, 512, 539, 616, 686, 704, 784, 896, 1024, 1078, 1232, 1372, 1408, 1568, 1792, 2048, 2156, 2464, 2719, 2744, 2816, 3136, 3584, 3773, 4312, 4928, 5438, 5488, 5632, 6272, 7168, 7546, 8624, 9856, 10876, 10976, 11264, 12544, 14336, 15092, 17248, 19033, 19712, 21752, 21952, 22528, 25088, 29909, 30184, 34496, 38066, 39424, 43504, 43904, 50176, 59818, 60368, 68992, 76132, 78848, 87008, 87808, 100352, 119636, 120736, 133231, 137984, 152264, 157696, 174016, 175616, 209363, 239272, 241472, 266462, 275968, 304528, 348032, 351232, 418726, 478544, 482944, 532924, 551936, 609056, 696064, 702464, 837452, 932617, 957088, 965888, 1065848, 1103872, 1218112, 1392128, 1465541, 1674904, 1865234, 1914176, 1931776, 2131696, 2436224, 2784256, 2931082, 3349808, 3730468, 3828352, 3863552, 4263392, 4872448, 5568512, 5862164, 6699616, 7460936, 7656704, 7727104, 8526784, 9744896, 10258787, 11724328, 13399232, 14921872, 15313408, 17053568, 19489792, 20517574, 23448656, 26798464, 29843744, 30626816, 34107136, 38979584, 41035148, 46897312, 53596928, 59687488, 61253632, 68214272, 82070296, 93794624, 107193856, 119374976, 136428544, 164140592, 187589248, 214387712, 238749952, 272857088, 328281184, 375178496, 428775424, 477499904, 656562368, 750356992, 954999808, 1313124736, 1500713984, 1909999616, 2626249472, 3001427968, 5252498944, 10504997888, 21009995776]

約数ペア:

[(1, 21009995776), (2, 10504997888), (4, 5252498944), (7, 3001427968), (8, 2626249472), (11, 1909999616), (14, 1500713984), (16, 1313124736), (22, 954999808), (28, 750356992), (32, 656562368), (44, 477499904), (49, 428775424), (56, 375178496), (64, 328281184), (77, 272857088), (88, 238749952), (98, 214387712), (112, 187589248), (128, 164140592), (154, 136428544), (176, 119374976), (196, 107193856), (224, 93794624), (256, 82070296), (308, 68214272), (343, 61253632), (352, 59687488), (392, 53596928), (448, 46897312), (512, 41035148), (539, 38979584), (616, 34107136), (686, 30626816), (704, 29843744), (784, 26798464), (896, 23448656), (1024, 20517574), (1078, 19489792), (1232, 17053568), (1372, 15313408), (1408, 14921872), (1568, 13399232), (1792, 11724328), (2048, 10258787), (2156, 9744896), (2464, 8526784), (2719, 7727104), (2744, 7656704), (2816, 7460936), (3136, 6699616), (3584, 5862164), (3773, 5568512), (4312, 4872448), (4928, 4263392), (5438, 3863552), (5488, 3828352), (5632, 3730468), (6272, 3349808), (7168, 2931082), (7546, 2784256), (8624, 2436224), (9856, 2131696), (10876, 1931776), (10976, 1914176), (11264, 1865234), (12544, 1674904), (14336, 1465541), (15092, 1392128), (17248, 1218112), (19033, 1103872), (19712, 1065848), (21752, 965888), (21952, 957088), (22528, 932617), (25088, 837452), (29909, 702464), (30184, 696064), (34496, 609056), (38066, 551936), (39424, 532924), (43504, 482944), (43904, 478544), (50176, 418726), (59818, 351232), (60368, 348032), (68992, 304528), (76132, 275968), (78848, 266462), (87008, 241472), (87808, 239272), (100352, 209363), (119636, 175616), (120736, 174016), (133231, 157696), (137984, 152264)]