21135994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20441}}^1$

素因数の和:20501

約数の個数: 16

約数和(自身を含む): 35323776

約数和(自身を除く): 14187782

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20441, 40882, 224851, 449702, 960727, 1921454, 10567997, 21135994]

約数ペア:

[(1, 21135994), (2, 10567997), (11, 1921454), (22, 960727), (47, 449702), (94, 224851), (517, 40882), (1034, 20441)]