21794792

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{6661}}^1$

素因数の和:7076

約数の個数: 16

約数和(自身を含む): 40971300

約数和(自身を除く): 19176508

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 6661, 13322, 26644, 53288, 2724349, 5448698, 10897396, 21794792]

約数ペア:

[(1, 21794792), (2, 10897396), (4, 5448698), (8, 2724349), (409, 53288), (818, 26644), (1636, 13322), (3272, 6661)]