21000908027

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1581751}}^1$

素因数の和:1581850

約数の個数: 16

約数和(自身を含む): 24599407104

約数和(自身を除く): 3598499077

約数列:

[1, 11, 17, 71, 187, 781, 1207, 13277, 1581751, 17399261, 26889767, 112304321, 295787437, 1235347531, 1909173457, 21000908027]

約数ペア:

[(1, 21000908027), (11, 1909173457), (17, 1235347531), (71, 295787437), (187, 112304321), (781, 26889767), (1207, 17399261), (13277, 1581751)]