21417438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509939}}^1$

素因数の和:509951

約数の個数: 16

約数和(自身を含む): 48954240

約数和(自身を除く): 27536802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509939, 1019878, 1529817, 3059634, 3569573, 7139146, 10708719, 21417438]

約数ペア:

[(1, 21417438), (2, 10708719), (3, 7139146), (6, 3569573), (7, 3059634), (14, 1529817), (21, 1019878), (42, 509939)]