21262526

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{439}}^1$

素因数の和:899

約数の個数: 16

約数和(自身を含む): 32572320

約数和(自身を除く): 11309794

約数列:

[1, 2, 61, 122, 397, 439, 794, 878, 24217, 26779, 48434, 53558, 174283, 348566, 10631263, 21262526]

約数ペア:

[(1, 21262526), (2, 10631263), (61, 348566), (122, 174283), (397, 53558), (439, 48434), (794, 26779), (878, 24217)]