21070778884

素因数分解:

$2^2\times {\mathrm{739}}^1\times {\mathrm{7128139}}^1$

素因数の和:7128882

約数の個数: 12

約数和(自身を含む): 36923765200

約数和(自身を除く): 15852986316

約数列:

[1, 2, 4, 739, 1478, 2956, 7128139, 14256278, 28512556, 5267694721, 10535389442, 21070778884]

約数ペア:

[(1, 21070778884), (2, 10535389442), (4, 5267694721), (739, 28512556), (1478, 14256278), (2956, 7128139)]