21166277

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 23990208

約数和(自身を除く): 2823931

約数列:

[1, 11, 43, 73, 473, 613, 803, 3139, 6743, 26359, 34529, 44749, 289949, 492239, 1924207, 21166277]

約数ペア:

[(1, 21166277), (11, 1924207), (43, 492239), (73, 289949), (473, 44749), (613, 34529), (803, 26359), (3139, 6743)]