21090496

素因数分解:

$2^6\times 7^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:461

約数の個数: 56

約数和(自身を含む): 48280320

約数和(自身を除く): 27189824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 179, 224, 263, 358, 448, 526, 716, 1052, 1253, 1432, 1841, 2104, 2506, 2864, 3682, 4208, 5012, 5728, 7364, 8416, 10024, 11456, 14728, 16832, 20048, 29456, 40096, 47077, 58912, 80192, 94154, 117824, 188308, 329539, 376616, 659078, 753232, 1318156, 1506464, 2636312, 3012928, 5272624, 10545248, 21090496]

約数ペア:

[(1, 21090496), (2, 10545248), (4, 5272624), (7, 3012928), (8, 2636312), (14, 1506464), (16, 1318156), (28, 753232), (32, 659078), (56, 376616), (64, 329539), (112, 188308), (179, 117824), (224, 94154), (263, 80192), (358, 58912), (448, 47077), (526, 40096), (716, 29456), (1052, 20048), (1253, 16832), (1432, 14728), (1841, 11456), (2104, 10024), (2506, 8416), (2864, 7364), (3682, 5728), (4208, 5012)]