21419824

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8527}}^1$

素因数の和:8692

約数の個数: 20

約数和(自身を含む): 41770144

約数和(自身を除く): 20350320

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8527, 17054, 34108, 68216, 136432, 1338739, 2677478, 5354956, 10709912, 21419824]

約数ペア:

[(1, 21419824), (2, 10709912), (4, 5354956), (8, 2677478), (16, 1338739), (157, 136432), (314, 68216), (628, 34108), (1256, 17054), (2512, 8527)]