21882078

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{7027}}^1$

素因数の和:7208

約数の個数: 24

約数和(自身を含む): 47692008

約数和(自身を除く): 25809930

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 7027, 14054, 21081, 42162, 63243, 126486, 1215671, 2431342, 3647013, 7294026, 10941039, 21882078]

約数ペア:

[(1, 21882078), (2, 10941039), (3, 7294026), (6, 3647013), (9, 2431342), (18, 1215671), (173, 126486), (346, 63243), (519, 42162), (1038, 21081), (1557, 14054), (3114, 7027)]