21740045

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{613}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 26922672

約数和(自身を除く): 5182627

約数列:

[1, 5, 41, 173, 205, 613, 865, 3065, 7093, 25133, 35465, 106049, 125665, 530245, 4348009, 21740045]

約数ペア:

[(1, 21740045), (5, 4348009), (41, 530245), (173, 125665), (205, 106049), (613, 35465), (865, 25133), (3065, 7093)]