21089496

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 55173600

約数和(自身を除く): 34084104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 157, 174, 193, 232, 314, 348, 386, 471, 579, 628, 696, 772, 942, 1158, 1256, 1544, 1884, 2316, 3768, 4553, 4632, 5597, 9106, 11194, 13659, 16791, 18212, 22388, 27318, 30301, 33582, 36424, 44776, 54636, 60602, 67164, 90903, 109272, 121204, 134328, 181806, 242408, 363612, 727224, 878729, 1757458, 2636187, 3514916, 5272374, 7029832, 10544748, 21089496]

約数ペア:

[(1, 21089496), (2, 10544748), (3, 7029832), (4, 5272374), (6, 3514916), (8, 2636187), (12, 1757458), (24, 878729), (29, 727224), (58, 363612), (87, 242408), (116, 181806), (157, 134328), (174, 121204), (193, 109272), (232, 90903), (314, 67164), (348, 60602), (386, 54636), (471, 44776), (579, 36424), (628, 33582), (696, 30301), (772, 27318), (942, 22388), (1158, 18212), (1256, 16791), (1544, 13659), (1884, 11194), (2316, 9106), (3768, 5597), (4553, 4632)]