21040807658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7856911}}^1$

素因数の和:7857029

約数の個数: 16

約数和(自身を含む): 34318991616

約数和(自身を除く): 13278183958

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 7856911, 15713822, 102139843, 204279686, 809261833, 1618523666, 10520403829, 21040807658]

約数ペア:

[(1, 21040807658), (2, 10520403829), (13, 1618523666), (26, 809261833), (103, 204279686), (206, 102139843), (1339, 15713822), (2678, 7856911)]