21693729

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2917}}^1$

素因数の和:3024

約数の個数: 16

約数和(自身を含む): 30160448

約数和(自身を除く): 8466719

約数列:

[1, 3, 37, 67, 111, 201, 2479, 2917, 7437, 8751, 107929, 195439, 323787, 586317, 7231243, 21693729]

約数ペア:

[(1, 21693729), (3, 7231243), (37, 586317), (67, 323787), (111, 195439), (201, 107929), (2479, 8751), (2917, 7437)]