21106989788

素因数分解:

$2^2\times {\mathrm{317}}^1\times {\mathrm{409}}^1\times {\mathrm{40699}}^1$

素因数の和:41429

約数の個数: 24

約数和(自身を含む): 37145262000

約数和(自身を除く): 16038272212

約数列:

[1, 2, 4, 317, 409, 634, 818, 1268, 1636, 40699, 81398, 129653, 162796, 259306, 518612, 12901583, 16645891, 25803166, 33291782, 51606332, 66583564, 5276747447, 10553494894, 21106989788]

約数ペア:

[(1, 21106989788), (2, 10553494894), (4, 5276747447), (317, 66583564), (409, 51606332), (634, 33291782), (818, 25803166), (1268, 16645891), (1636, 12901583), (40699, 518612), (81398, 259306), (129653, 162796)]