21310478

素因数分解:

$2^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{5417}}^1$

素因数の和:5707

約数の個数: 16

約数和(自身を含む): 36669024

約数和(自身を除く): 15358546

約数列:

[1, 2, 7, 14, 281, 562, 1967, 3934, 5417, 10834, 37919, 75838, 1522177, 3044354, 10655239, 21310478]

約数ペア:

[(1, 21310478), (2, 10655239), (7, 3044354), (14, 1522177), (281, 75838), (562, 37919), (1967, 10834), (3934, 5417)]