21258726

素因数分解:

$2^1\times 3^1\times {\mathrm{457}}^1\times {\mathrm{7753}}^1$

素因数の和:8215

約数の個数: 16

約数和(自身を含む): 42615984

約数和(自身を除く): 21357258

約数列:

[1, 2, 3, 6, 457, 914, 1371, 2742, 7753, 15506, 23259, 46518, 3543121, 7086242, 10629363, 21258726]

約数ペア:

[(1, 21258726), (2, 10629363), (3, 7086242), (6, 3543121), (457, 46518), (914, 23259), (1371, 15506), (2742, 7753)]