21226912

素因数分解:

$2^5\times 7^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 48105792

約数和(自身を除く): 26878880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 193, 224, 386, 491, 772, 982, 1351, 1544, 1964, 2702, 3088, 3437, 3928, 5404, 6176, 6874, 7856, 10808, 13748, 15712, 21616, 27496, 43232, 54992, 94763, 109984, 189526, 379052, 663341, 758104, 1326682, 1516208, 2653364, 3032416, 5306728, 10613456, 21226912]

約数ペア:

[(1, 21226912), (2, 10613456), (4, 5306728), (7, 3032416), (8, 2653364), (14, 1516208), (16, 1326682), (28, 758104), (32, 663341), (56, 379052), (112, 189526), (193, 109984), (224, 94763), (386, 54992), (491, 43232), (772, 27496), (982, 21616), (1351, 15712), (1544, 13748), (1964, 10808), (2702, 7856), (3088, 6874), (3437, 6176), (3928, 5404)]