21337173

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 36953280

約数和(自身を除く): 15616107

約数列:

[1, 3, 9, 11, 13, 33, 39, 59, 99, 117, 143, 177, 281, 429, 531, 649, 767, 843, 1287, 1947, 2301, 2529, 3091, 3653, 5841, 6903, 8437, 9273, 10959, 16579, 25311, 27819, 32877, 40183, 49737, 75933, 120549, 149211, 182369, 215527, 361647, 547107, 646581, 1641321, 1939743, 2370797, 7112391, 21337173]

約数ペア:

[(1, 21337173), (3, 7112391), (9, 2370797), (11, 1939743), (13, 1641321), (33, 646581), (39, 547107), (59, 361647), (99, 215527), (117, 182369), (143, 149211), (177, 120549), (281, 75933), (429, 49737), (531, 40183), (649, 32877), (767, 27819), (843, 25311), (1287, 16579), (1947, 10959), (2301, 9273), (2529, 8437), (3091, 6903), (3653, 5841)]