21610085

素因数分解:

$5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{1289}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 29721600

約数和(自身を除く): 8111515

約数列:

[1, 5, 7, 35, 479, 1289, 2395, 3353, 6445, 9023, 16765, 45115, 617431, 3087155, 4322017, 21610085]

約数ペア:

[(1, 21610085), (5, 4322017), (7, 3087155), (35, 617431), (479, 45115), (1289, 16765), (2395, 9023), (3353, 6445)]