21374976

素因数分解:

$2^{11}\times 3^1\times 7^2\times {\mathrm{71}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 45848544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 71, 84, 96, 98, 112, 128, 142, 147, 168, 192, 196, 213, 224, 256, 284, 294, 336, 384, 392, 426, 448, 497, 512, 568, 588, 672, 768, 784, 852, 896, 994, 1024, 1136, 1176, 1344, 1491, 1536, 1568, 1704, 1792, 1988, 2048, 2272, 2352, 2688, 2982, 3072, 3136, 3408, 3479, 3584, 3976, 4544, 4704, 5376, 5964, 6144, 6272, 6816, 6958, 7168, 7952, 9088, 9408, 10437, 10752, 11928, 12544, 13632, 13916, 14336, 15904, 18176, 18816, 20874, 21504, 23856, 25088, 27264, 27832, 31808, 36352, 37632, 41748, 43008, 47712, 50176, 54528, 55664, 63616, 72704, 75264, 83496, 95424, 100352, 109056, 111328, 127232, 145408, 150528, 166992, 190848, 218112, 222656, 254464, 301056, 333984, 381696, 436224, 445312, 508928, 667968, 763392, 890624, 1017856, 1335936, 1526784, 1781248, 2671872, 3053568, 3562496, 5343744, 7124992, 10687488, 21374976]

約数ペア:

[(1, 21374976), (2, 10687488), (3, 7124992), (4, 5343744), (6, 3562496), (7, 3053568), (8, 2671872), (12, 1781248), (14, 1526784), (16, 1335936), (21, 1017856), (24, 890624), (28, 763392), (32, 667968), (42, 508928), (48, 445312), (49, 436224), (56, 381696), (64, 333984), (71, 301056), (84, 254464), (96, 222656), (98, 218112), (112, 190848), (128, 166992), (142, 150528), (147, 145408), (168, 127232), (192, 111328), (196, 109056), (213, 100352), (224, 95424), (256, 83496), (284, 75264), (294, 72704), (336, 63616), (384, 55664), (392, 54528), (426, 50176), (448, 47712), (497, 43008), (512, 41748), (568, 37632), (588, 36352), (672, 31808), (768, 27832), (784, 27264), (852, 25088), (896, 23856), (994, 21504), (1024, 20874), (1136, 18816), (1176, 18176), (1344, 15904), (1491, 14336), (1536, 13916), (1568, 13632), (1704, 12544), (1792, 11928), (1988, 10752), (2048, 10437), (2272, 9408), (2352, 9088), (2688, 7952), (2982, 7168), (3072, 6958), (3136, 6816), (3408, 6272), (3479, 6144), (3584, 5964), (3976, 5376), (4544, 4704)]