21701746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4957}}^1$

素因数の和:5169

約数の個数: 16

約数和(自身を含む): 35697600

約数和(自身を除く): 13995854

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4957, 9914, 54527, 109054, 986443, 1972886, 10850873, 21701746]

約数ペア:

[(1, 21701746), (2, 10850873), (11, 1972886), (22, 986443), (199, 109054), (398, 54527), (2189, 9914), (4378, 4957)]