21545293

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3833}}^1$

素因数の和:3924

約数の個数: 16

約数和(自身を含む): 27236736

約数和(自身を除く): 5691443

約数列:

[1, 7, 11, 73, 77, 511, 803, 3833, 5621, 26831, 42163, 279809, 295141, 1958663, 3077899, 21545293]

約数ペア:

[(1, 21545293), (7, 3077899), (11, 1958663), (73, 295141), (77, 279809), (511, 42163), (803, 26831), (3833, 5621)]