21000907994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{28513}}^1\times {\mathrm{33479}}^1$

素因数の和:62005

約数の個数: 16

約数和(自身を含む): 34367353920

約数和(自身を除く): 13366445926

約数列:

[1, 2, 11, 22, 28513, 33479, 57026, 66958, 313643, 368269, 627286, 736538, 954586727, 1909173454, 10500453997, 21000907994]

約数ペア:

[(1, 21000907994), (2, 10500453997), (11, 1909173454), (22, 954586727), (28513, 736538), (33479, 627286), (57026, 368269), (66958, 313643)]