21608211

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 29410560

約数和(自身を除く): 7802349

約数列:

[1, 3, 71, 213, 229, 443, 687, 1329, 16259, 31453, 48777, 94359, 101447, 304341, 7202737, 21608211]

約数ペア:

[(1, 21608211), (3, 7202737), (71, 304341), (213, 101447), (229, 94359), (443, 48777), (687, 31453), (1329, 16259)]