21878004

素因数分解:

$2^2\times 3^1\times {\mathrm{439}}^1\times {\mathrm{4153}}^1$

素因数の和:4599

約数の個数: 24

約数和(自身を含む): 51177280

約数和(自身を除く): 29299276

約数列:

[1, 2, 3, 4, 6, 12, 439, 878, 1317, 1756, 2634, 4153, 5268, 8306, 12459, 16612, 24918, 49836, 1823167, 3646334, 5469501, 7292668, 10939002, 21878004]

約数ペア:

[(1, 21878004), (2, 10939002), (3, 7292668), (4, 5469501), (6, 3646334), (12, 1823167), (439, 49836), (878, 24918), (1317, 16612), (1756, 12459), (2634, 8306), (4153, 5268)]