21455616

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 70509824

約数和(自身を除く): 49054208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 256, 273, 307, 312, 336, 364, 384, 416, 448, 546, 614, 624, 672, 728, 768, 832, 896, 921, 1092, 1228, 1248, 1344, 1456, 1664, 1792, 1842, 2149, 2184, 2456, 2496, 2688, 2912, 3328, 3684, 3991, 4298, 4368, 4912, 4992, 5376, 5824, 6447, 7368, 7982, 8596, 8736, 9824, 9984, 11648, 11973, 12894, 14736, 15964, 17192, 17472, 19648, 23296, 23946, 25788, 27937, 29472, 31928, 34384, 34944, 39296, 47892, 51576, 55874, 58944, 63856, 68768, 69888, 78592, 83811, 95784, 103152, 111748, 117888, 127712, 137536, 167622, 191568, 206304, 223496, 235776, 255424, 275072, 335244, 383136, 412608, 446992, 510848, 550144, 670488, 766272, 825216, 893984, 1021696, 1340976, 1532544, 1650432, 1787968, 2681952, 3065088, 3575936, 5363904, 7151872, 10727808, 21455616]

約数ペア:

[(1, 21455616), (2, 10727808), (3, 7151872), (4, 5363904), (6, 3575936), (7, 3065088), (8, 2681952), (12, 1787968), (13, 1650432), (14, 1532544), (16, 1340976), (21, 1021696), (24, 893984), (26, 825216), (28, 766272), (32, 670488), (39, 550144), (42, 510848), (48, 446992), (52, 412608), (56, 383136), (64, 335244), (78, 275072), (84, 255424), (91, 235776), (96, 223496), (104, 206304), (112, 191568), (128, 167622), (156, 137536), (168, 127712), (182, 117888), (192, 111748), (208, 103152), (224, 95784), (256, 83811), (273, 78592), (307, 69888), (312, 68768), (336, 63856), (364, 58944), (384, 55874), (416, 51576), (448, 47892), (546, 39296), (614, 34944), (624, 34384), (672, 31928), (728, 29472), (768, 27937), (832, 25788), (896, 23946), (921, 23296), (1092, 19648), (1228, 17472), (1248, 17192), (1344, 15964), (1456, 14736), (1664, 12894), (1792, 11973), (1842, 11648), (2149, 9984), (2184, 9824), (2456, 8736), (2496, 8596), (2688, 7982), (2912, 7368), (3328, 6447), (3684, 5824), (3991, 5376), (4298, 4992), (4368, 4912)]