21138634

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{14341}}^1$

素因数の和:14421

約数の個数: 16

約数和(自身を含む): 35109216

約数和(自身を除く): 13970582

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 14341, 28682, 157751, 315502, 960847, 1921694, 10569317, 21138634]

約数ペア:

[(1, 21138634), (2, 10569317), (11, 1921694), (22, 960847), (67, 315502), (134, 157751), (737, 28682), (1474, 14341)]