21766276

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6121}}^1$

素因数の和:6259

約数の個数: 24

約数和(自身を含む): 43882496

約数和(自身を除く): 22116220

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 6121, 12242, 24484, 42847, 85694, 171388, 777367, 1554734, 3109468, 5441569, 10883138, 21766276]

約数ペア:

[(1, 21766276), (2, 10883138), (4, 5441569), (7, 3109468), (14, 1554734), (28, 777367), (127, 171388), (254, 85694), (508, 42847), (889, 24484), (1778, 12242), (3556, 6121)]