21379416

素因数分解:

$2^3\times 3^1\times {\mathrm{890809}}^1$

素因数の和:890818

約数の個数: 16

約数和(自身を含む): 53448600

約数和(自身を除く): 32069184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 890809, 1781618, 2672427, 3563236, 5344854, 7126472, 10689708, 21379416]

約数ペア:

[(1, 21379416), (2, 10689708), (3, 7126472), (4, 5344854), (6, 3563236), (8, 2672427), (12, 1781618), (24, 890809)]