21266371

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1033}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 25907904

約数和(自身を除く): 4641533

約数列:

[1, 7, 17, 119, 173, 1033, 1211, 2941, 7231, 17561, 20587, 122927, 178709, 1250963, 3038053, 21266371]

約数ペア:

[(1, 21266371), (7, 3038053), (17, 1250963), (119, 178709), (173, 122927), (1033, 20587), (1211, 17561), (2941, 7231)]