21149184

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{281}}^1$

素因数の和:316

約数の個数: 120

約数和(自身を含む): 65774808

約数和(自身を除く): 44625624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 281, 294, 336, 384, 392, 448, 512, 562, 588, 672, 768, 784, 843, 896, 1124, 1176, 1344, 1536, 1568, 1686, 1792, 1967, 2248, 2352, 2688, 3136, 3372, 3584, 3934, 4496, 4704, 5376, 5901, 6272, 6744, 7868, 8992, 9408, 10752, 11802, 12544, 13488, 13769, 15736, 17984, 18816, 23604, 25088, 26976, 27538, 31472, 35968, 37632, 41307, 47208, 53952, 55076, 62944, 71936, 75264, 82614, 94416, 107904, 110152, 125888, 143872, 165228, 188832, 215808, 220304, 251776, 330456, 377664, 431616, 440608, 503552, 660912, 755328, 881216, 1007104, 1321824, 1510656, 1762432, 2643648, 3021312, 3524864, 5287296, 7049728, 10574592, 21149184]

約数ペア:

[(1, 21149184), (2, 10574592), (3, 7049728), (4, 5287296), (6, 3524864), (7, 3021312), (8, 2643648), (12, 1762432), (14, 1510656), (16, 1321824), (21, 1007104), (24, 881216), (28, 755328), (32, 660912), (42, 503552), (48, 440608), (49, 431616), (56, 377664), (64, 330456), (84, 251776), (96, 220304), (98, 215808), (112, 188832), (128, 165228), (147, 143872), (168, 125888), (192, 110152), (196, 107904), (224, 94416), (256, 82614), (281, 75264), (294, 71936), (336, 62944), (384, 55076), (392, 53952), (448, 47208), (512, 41307), (562, 37632), (588, 35968), (672, 31472), (768, 27538), (784, 26976), (843, 25088), (896, 23604), (1124, 18816), (1176, 17984), (1344, 15736), (1536, 13769), (1568, 13488), (1686, 12544), (1792, 11802), (1967, 10752), (2248, 9408), (2352, 8992), (2688, 7868), (3136, 6744), (3372, 6272), (3584, 5901), (3934, 5376), (4496, 4704)]