21161928704

素因数分解:

$2^{11}\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3457}}^1$

素因数の和:3554

約数の個数: 144

約数和(自身を含む): 50043242340

約数和(自身を除く): 28881313636

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 64, 98, 112, 122, 128, 196, 224, 244, 256, 392, 427, 448, 488, 512, 784, 854, 896, 976, 1024, 1568, 1708, 1792, 1952, 2048, 2989, 3136, 3416, 3457, 3584, 3904, 5978, 6272, 6832, 6914, 7168, 7808, 11956, 12544, 13664, 13828, 14336, 15616, 23912, 24199, 25088, 27328, 27656, 31232, 47824, 48398, 50176, 54656, 55312, 62464, 95648, 96796, 100352, 109312, 110624, 124928, 169393, 191296, 193592, 210877, 218624, 221248, 338786, 382592, 387184, 421754, 437248, 442496, 677572, 765184, 774368, 843508, 874496, 884992, 1355144, 1476139, 1530368, 1548736, 1687016, 1769984, 2710288, 2952278, 3060736, 3097472, 3374032, 3539968, 5420576, 5904556, 6121472, 6194944, 6748064, 7079936, 10332973, 10841152, 11809112, 12389888, 13496128, 20665946, 21682304, 23618224, 24779776, 26992256, 41331892, 43364608, 47236448, 49559552, 53984512, 82663784, 86729216, 94472896, 107969024, 165327568, 173458432, 188945792, 215938048, 330655136, 346916864, 377891584, 431876096, 661310272, 755783168, 1322620544, 1511566336, 2645241088, 3023132672, 5290482176, 10580964352, 21161928704]

約数ペア:

[(1, 21161928704), (2, 10580964352), (4, 5290482176), (7, 3023132672), (8, 2645241088), (14, 1511566336), (16, 1322620544), (28, 755783168), (32, 661310272), (49, 431876096), (56, 377891584), (61, 346916864), (64, 330655136), (98, 215938048), (112, 188945792), (122, 173458432), (128, 165327568), (196, 107969024), (224, 94472896), (244, 86729216), (256, 82663784), (392, 53984512), (427, 49559552), (448, 47236448), (488, 43364608), (512, 41331892), (784, 26992256), (854, 24779776), (896, 23618224), (976, 21682304), (1024, 20665946), (1568, 13496128), (1708, 12389888), (1792, 11809112), (1952, 10841152), (2048, 10332973), (2989, 7079936), (3136, 6748064), (3416, 6194944), (3457, 6121472), (3584, 5904556), (3904, 5420576), (5978, 3539968), (6272, 3374032), (6832, 3097472), (6914, 3060736), (7168, 2952278), (7808, 2710288), (11956, 1769984), (12544, 1687016), (13664, 1548736), (13828, 1530368), (14336, 1476139), (15616, 1355144), (23912, 884992), (24199, 874496), (25088, 843508), (27328, 774368), (27656, 765184), (31232, 677572), (47824, 442496), (48398, 437248), (50176, 421754), (54656, 387184), (55312, 382592), (62464, 338786), (95648, 221248), (96796, 218624), (100352, 210877), (109312, 193592), (110624, 191296), (124928, 169393)]