21449344

素因数分解:

$2^7\times 7^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 50232960

約数和(自身を除く): 28783616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 259, 296, 448, 518, 592, 647, 896, 1036, 1184, 1294, 2072, 2368, 2588, 4144, 4529, 4736, 5176, 8288, 9058, 10352, 16576, 18116, 20704, 23939, 33152, 36232, 41408, 47878, 72464, 82816, 95756, 144928, 167573, 191512, 289856, 335146, 383024, 579712, 670292, 766048, 1340584, 1532096, 2681168, 3064192, 5362336, 10724672, 21449344]

約数ペア:

[(1, 21449344), (2, 10724672), (4, 5362336), (7, 3064192), (8, 2681168), (14, 1532096), (16, 1340584), (28, 766048), (32, 670292), (37, 579712), (56, 383024), (64, 335146), (74, 289856), (112, 191512), (128, 167573), (148, 144928), (224, 95756), (259, 82816), (296, 72464), (448, 47878), (518, 41408), (592, 36232), (647, 33152), (896, 23939), (1036, 20704), (1184, 18116), (1294, 16576), (2072, 10352), (2368, 9058), (2588, 8288), (4144, 5176), (4529, 4736)]