21241052

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32983}}^1$

素因数の和:33017

約数の個数: 24

約数和(自身を含む): 44330496

約数和(自身を除く): 23089444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32983, 65966, 131932, 230881, 461762, 758609, 923524, 1517218, 3034436, 5310263, 10620526, 21241052]

約数ペア:

[(1, 21241052), (2, 10620526), (4, 5310263), (7, 3034436), (14, 1517218), (23, 923524), (28, 758609), (46, 461762), (92, 230881), (161, 131932), (322, 65966), (644, 32983)]