21066646

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{503}}^1$

素因数の和:1035

約数の個数: 16

約数和(自身を含む): 32465664

約数和(自身を除く): 11399018

約数列:

[1, 2, 43, 86, 487, 503, 974, 1006, 20941, 21629, 41882, 43258, 244961, 489922, 10533323, 21066646]

約数ペア:

[(1, 21066646), (2, 10533323), (43, 489922), (86, 244961), (487, 43258), (503, 41882), (974, 21629), (1006, 20941)]