21742012

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1061}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 39251520

約数和(自身を除く): 17509508

約数列:

[1, 2, 4, 47, 94, 109, 188, 218, 436, 1061, 2122, 4244, 5123, 10246, 20492, 49867, 99734, 115649, 199468, 231298, 462596, 5435503, 10871006, 21742012]

約数ペア:

[(1, 21742012), (2, 10871006), (4, 5435503), (47, 462596), (94, 231298), (109, 199468), (188, 115649), (218, 99734), (436, 49867), (1061, 20492), (2122, 10246), (4244, 5123)]