21245474

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{5417}}^1$

素因数の和:5509

約数の個数: 16

約数和(自身を含む): 33353208

約数和(自身を除く): 12107734

約数列:

[1, 2, 37, 53, 74, 106, 1961, 3922, 5417, 10834, 200429, 287101, 400858, 574202, 10622737, 21245474]

約数ペア:

[(1, 21245474), (2, 10622737), (37, 574202), (53, 400858), (74, 287101), (106, 200429), (1961, 10834), (3922, 5417)]