21751296

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{17}}^2$

素因数の和:69

約数の個数: 180

約数和(自身を含む): 71605908

約数和(自身を除く): 49854612

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 49, 51, 56, 64, 68, 84, 96, 98, 102, 112, 119, 128, 136, 147, 168, 192, 196, 204, 224, 238, 256, 272, 289, 294, 336, 357, 384, 392, 408, 448, 476, 512, 544, 578, 588, 672, 714, 768, 784, 816, 833, 867, 896, 952, 1088, 1156, 1176, 1344, 1428, 1536, 1568, 1632, 1666, 1734, 1792, 1904, 2023, 2176, 2312, 2352, 2499, 2688, 2856, 3136, 3264, 3332, 3468, 3584, 3808, 4046, 4352, 4624, 4704, 4998, 5376, 5712, 6069, 6272, 6528, 6664, 6936, 7616, 8092, 8704, 9248, 9408, 9996, 10752, 11424, 12138, 12544, 13056, 13328, 13872, 14161, 15232, 16184, 18496, 18816, 19992, 22848, 24276, 25088, 26112, 26656, 27744, 28322, 30464, 32368, 36992, 37632, 39984, 42483, 45696, 48552, 53312, 55488, 56644, 60928, 64736, 73984, 75264, 79968, 84966, 91392, 97104, 106624, 110976, 113288, 129472, 147968, 159936, 169932, 182784, 194208, 213248, 221952, 226576, 258944, 319872, 339864, 388416, 426496, 443904, 453152, 517888, 639744, 679728, 776832, 906304, 1035776, 1279488, 1359456, 1553664, 1812608, 2718912, 3107328, 3625216, 5437824, 7250432, 10875648, 21751296]

約数ペア:

[(1, 21751296), (2, 10875648), (3, 7250432), (4, 5437824), (6, 3625216), (7, 3107328), (8, 2718912), (12, 1812608), (14, 1553664), (16, 1359456), (17, 1279488), (21, 1035776), (24, 906304), (28, 776832), (32, 679728), (34, 639744), (42, 517888), (48, 453152), (49, 443904), (51, 426496), (56, 388416), (64, 339864), (68, 319872), (84, 258944), (96, 226576), (98, 221952), (102, 213248), (112, 194208), (119, 182784), (128, 169932), (136, 159936), (147, 147968), (168, 129472), (192, 113288), (196, 110976), (204, 106624), (224, 97104), (238, 91392), (256, 84966), (272, 79968), (289, 75264), (294, 73984), (336, 64736), (357, 60928), (384, 56644), (392, 55488), (408, 53312), (448, 48552), (476, 45696), (512, 42483), (544, 39984), (578, 37632), (588, 36992), (672, 32368), (714, 30464), (768, 28322), (784, 27744), (816, 26656), (833, 26112), (867, 25088), (896, 24276), (952, 22848), (1088, 19992), (1156, 18816), (1176, 18496), (1344, 16184), (1428, 15232), (1536, 14161), (1568, 13872), (1632, 13328), (1666, 13056), (1734, 12544), (1792, 12138), (1904, 11424), (2023, 10752), (2176, 9996), (2312, 9408), (2352, 9248), (2499, 8704), (2688, 8092), (2856, 7616), (3136, 6936), (3264, 6664), (3332, 6528), (3468, 6272), (3584, 6069), (3808, 5712), (4046, 5376), (4352, 4998), (4624, 4704)]