21007178929

素因数分解:

${\mathrm{11}}^2\times {\mathrm{1667}}^1\times {\mathrm{104147}}^1$

素因数の和:105836

約数の個数: 12

約数和(自身を含む): 23104608912

約数和(自身を除く): 2097429983

約数列:

[1, 11, 121, 1667, 18337, 104147, 201707, 1145617, 12601787, 173613049, 1909743539, 21007178929]

約数ペア:

[(1, 21007178929), (11, 1909743539), (121, 173613049), (1667, 12601787), (18337, 1145617), (104147, 201707)]