21067445

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19417}}^1$

素因数の和:19460

約数の個数: 16

約数和(自身を含む): 29826048

約数和(自身を除く): 8758603

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 19417, 97085, 135919, 601927, 679595, 3009635, 4213489, 21067445]

約数ペア:

[(1, 21067445), (5, 4213489), (7, 3009635), (31, 679595), (35, 601927), (155, 135919), (217, 97085), (1085, 19417)]