21257671682

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1181}}^1\times {\mathrm{692297}}^1$

素因数の和:693493

約数の個数: 16

約数和(自身を含む): 34368441912

約数和(自身を除く): 13110770230

約数列:

[1, 2, 13, 26, 1181, 2362, 15353, 30706, 692297, 1384594, 8999861, 17999722, 817602757, 1635205514, 10628835841, 21257671682]

約数ペア:

[(1, 21257671682), (2, 10628835841), (13, 1635205514), (26, 817602757), (1181, 17999722), (2362, 8999861), (15353, 1384594), (30706, 692297)]