21940802216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144347383}}^1$

素因数の和:144347408

約数の個数: 16

約数和(自身を含む): 43304215200

約数和(自身を除く): 21363412984

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144347383, 288694766, 577389532, 1154779064, 2742600277, 5485200554, 10970401108, 21940802216]

約数ペア:

[(1, 21940802216), (2, 10970401108), (4, 5485200554), (8, 2742600277), (19, 1154779064), (38, 577389532), (76, 288694766), (152, 144347383)]