21054176

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 50295168

約数和(自身を除く): 29240992

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 43, 44, 52, 86, 88, 104, 107, 143, 172, 176, 208, 214, 286, 344, 352, 416, 428, 473, 559, 572, 688, 856, 946, 1118, 1144, 1177, 1376, 1391, 1712, 1892, 2236, 2288, 2354, 2782, 3424, 3784, 4472, 4576, 4601, 4708, 5564, 6149, 7568, 8944, 9202, 9416, 11128, 12298, 15136, 15301, 17888, 18404, 18832, 22256, 24596, 30602, 36808, 37664, 44512, 49192, 50611, 59813, 61204, 73616, 98384, 101222, 119626, 122408, 147232, 196768, 202444, 239252, 244816, 404888, 478504, 489632, 657943, 809776, 957008, 1315886, 1619552, 1914016, 2631772, 5263544, 10527088, 21054176]

約数ペア:

[(1, 21054176), (2, 10527088), (4, 5263544), (8, 2631772), (11, 1914016), (13, 1619552), (16, 1315886), (22, 957008), (26, 809776), (32, 657943), (43, 489632), (44, 478504), (52, 404888), (86, 244816), (88, 239252), (104, 202444), (107, 196768), (143, 147232), (172, 122408), (176, 119626), (208, 101222), (214, 98384), (286, 73616), (344, 61204), (352, 59813), (416, 50611), (428, 49192), (473, 44512), (559, 37664), (572, 36808), (688, 30602), (856, 24596), (946, 22256), (1118, 18832), (1144, 18404), (1177, 17888), (1376, 15301), (1391, 15136), (1712, 12298), (1892, 11128), (2236, 9416), (2288, 9202), (2354, 8944), (2782, 7568), (3424, 6149), (3784, 5564), (4472, 4708), (4576, 4601)]