21910106876

素因数分解:

$2^2\times 7^1\times {\mathrm{782503817}}^1$

素因数の和:782503828

約数の個数: 12

約数和(自身を含む): 43820213808

約数和(自身を除く): 21910106932

約数列:

[1, 2, 4, 7, 14, 28, 782503817, 1565007634, 3130015268, 5477526719, 10955053438, 21910106876]

約数ペア:

[(1, 21910106876), (2, 10955053438), (4, 5477526719), (7, 3130015268), (14, 1565007634), (28, 782503817)]