21911571

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9623}}^1$

素因数の和:9663

約数の個数: 24

約数和(自身を含む): 36032256

約数和(自身を除く): 14120685

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 9623, 28869, 86607, 105853, 221329, 317559, 663987, 952677, 1991961, 2434619, 7303857, 21911571]

約数ペア:

[(1, 21911571), (3, 7303857), (9, 2434619), (11, 1991961), (23, 952677), (33, 663987), (69, 317559), (99, 221329), (207, 105853), (253, 86607), (759, 28869), (2277, 9623)]