21049406972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{478395613}}^1$

素因数の和:478395628

約数の個数: 12

約数和(自身を含む): 40185231576

約数和(自身を除く): 19135824604

約数列:

[1, 2, 4, 11, 22, 44, 478395613, 956791226, 1913582452, 5262351743, 10524703486, 21049406972]

約数ペア:

[(1, 21049406972), (2, 10524703486), (4, 5262351743), (11, 1913582452), (22, 956791226), (44, 478395613)]