21568568042

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{61979}}^1$

素因数の和:62115

約数の個数: 48

約数和(自身を含む): 38917985760

約数和(自身を除く): 17349417718

約数列:

[1, 2, 7, 14, 49, 53, 67, 98, 106, 134, 371, 469, 742, 938, 2597, 3283, 3551, 5194, 6566, 7102, 24857, 49714, 61979, 123958, 173999, 347998, 433853, 867706, 3036971, 3284887, 4152593, 6073942, 6569774, 8305186, 22994209, 29068151, 45988418, 58136302, 160959463, 203477057, 220087429, 321918926, 406954114, 440174858, 1540612003, 3081224006, 10784284021, 21568568042]

約数ペア:

[(1, 21568568042), (2, 10784284021), (7, 3081224006), (14, 1540612003), (49, 440174858), (53, 406954114), (67, 321918926), (98, 220087429), (106, 203477057), (134, 160959463), (371, 58136302), (469, 45988418), (742, 29068151), (938, 22994209), (2597, 8305186), (3283, 6569774), (3551, 6073942), (5194, 4152593), (6566, 3284887), (7102, 3036971), (24857, 867706), (49714, 433853), (61979, 347998), (123958, 173999)]