21136994

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2297}}^1$

素因数の和:2449

約数の個数: 16

約数和(自身を含む): 32760288

約数和(自身を除く): 11623294

約数列:

[1, 2, 43, 86, 107, 214, 2297, 4594, 4601, 9202, 98771, 197542, 245779, 491558, 10568497, 21136994]

約数ペア:

[(1, 21136994), (2, 10568497), (43, 491558), (86, 245779), (107, 197542), (214, 98771), (2297, 9202), (4594, 4601)]