21108288

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 112

約数和(自身を含む): 61447680

約数和(自身を除く): 40339392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 32, 34, 48, 51, 58, 64, 68, 87, 96, 102, 116, 136, 174, 192, 204, 223, 232, 272, 348, 408, 446, 464, 493, 544, 669, 696, 816, 892, 928, 986, 1088, 1338, 1392, 1479, 1632, 1784, 1856, 1972, 2676, 2784, 2958, 3264, 3568, 3791, 3944, 5352, 5568, 5916, 6467, 7136, 7582, 7888, 10704, 11373, 11832, 12934, 14272, 15164, 15776, 19401, 21408, 22746, 23664, 25868, 30328, 31552, 38802, 42816, 45492, 47328, 51736, 60656, 77604, 90984, 94656, 103472, 109939, 121312, 155208, 181968, 206944, 219878, 242624, 310416, 329817, 363936, 413888, 439756, 620832, 659634, 727872, 879512, 1241664, 1319268, 1759024, 2638536, 3518048, 5277072, 7036096, 10554144, 21108288]

約数ペア:

[(1, 21108288), (2, 10554144), (3, 7036096), (4, 5277072), (6, 3518048), (8, 2638536), (12, 1759024), (16, 1319268), (17, 1241664), (24, 879512), (29, 727872), (32, 659634), (34, 620832), (48, 439756), (51, 413888), (58, 363936), (64, 329817), (68, 310416), (87, 242624), (96, 219878), (102, 206944), (116, 181968), (136, 155208), (174, 121312), (192, 109939), (204, 103472), (223, 94656), (232, 90984), (272, 77604), (348, 60656), (408, 51736), (446, 47328), (464, 45492), (493, 42816), (544, 38802), (669, 31552), (696, 30328), (816, 25868), (892, 23664), (928, 22746), (986, 21408), (1088, 19401), (1338, 15776), (1392, 15164), (1479, 14272), (1632, 12934), (1784, 11832), (1856, 11373), (1972, 10704), (2676, 7888), (2784, 7582), (2958, 7136), (3264, 6467), (3568, 5916), (3791, 5568), (3944, 5352)]