21084448

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 53222400

約数和(自身を除く): 32137952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 56, 77, 86, 88, 112, 154, 172, 176, 199, 224, 301, 308, 344, 352, 398, 473, 602, 616, 688, 796, 946, 1204, 1232, 1376, 1393, 1592, 1892, 2189, 2408, 2464, 2786, 3184, 3311, 3784, 4378, 4816, 5572, 6368, 6622, 7568, 8557, 8756, 9632, 11144, 13244, 15136, 15323, 17114, 17512, 22288, 26488, 30646, 34228, 35024, 44576, 52976, 59899, 61292, 68456, 70048, 94127, 105952, 119798, 122584, 136912, 188254, 239596, 245168, 273824, 376508, 479192, 490336, 658889, 753016, 958384, 1317778, 1506032, 1916768, 2635556, 3012064, 5271112, 10542224, 21084448]

約数ペア:

[(1, 21084448), (2, 10542224), (4, 5271112), (7, 3012064), (8, 2635556), (11, 1916768), (14, 1506032), (16, 1317778), (22, 958384), (28, 753016), (32, 658889), (43, 490336), (44, 479192), (56, 376508), (77, 273824), (86, 245168), (88, 239596), (112, 188254), (154, 136912), (172, 122584), (176, 119798), (199, 105952), (224, 94127), (301, 70048), (308, 68456), (344, 61292), (352, 59899), (398, 52976), (473, 44576), (602, 35024), (616, 34228), (688, 30646), (796, 26488), (946, 22288), (1204, 17512), (1232, 17114), (1376, 15323), (1393, 15136), (1592, 13244), (1892, 11144), (2189, 9632), (2408, 8756), (2464, 8557), (2786, 7568), (3184, 6622), (3311, 6368), (3784, 5572), (4378, 4816)]