21810544

素因数分解:

$2^4\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1009}}^1$

素因数の和:1217

約数の個数: 40

約数和(自身を含む): 48593120

約数和(自身を除く): 26782576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193, 386, 772, 1009, 1351, 1544, 2018, 2702, 3088, 4036, 5404, 7063, 8072, 10808, 14126, 16144, 21616, 28252, 56504, 113008, 194737, 389474, 778948, 1363159, 1557896, 2726318, 3115792, 5452636, 10905272, 21810544]

約数ペア:

[(1, 21810544), (2, 10905272), (4, 5452636), (7, 3115792), (8, 2726318), (14, 1557896), (16, 1363159), (28, 778948), (56, 389474), (112, 194737), (193, 113008), (386, 56504), (772, 28252), (1009, 21616), (1351, 16144), (1544, 14126), (2018, 10808), (2702, 8072), (3088, 7063), (4036, 5404)]