21746866

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:909

約数の個数: 16

約数和(自身を含む): 33312600

約数和(自身を除く): 11565734

約数列:

[1, 2, 61, 122, 397, 449, 794, 898, 24217, 27389, 48434, 54778, 178253, 356506, 10873433, 21746866]

約数ペア:

[(1, 21746866), (2, 10873433), (61, 356506), (122, 178253), (397, 54778), (449, 48434), (794, 27389), (898, 24217)]