21109137

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24517}}^1$

素因数の和:24568

約数の個数: 16

約数和(自身を含む): 32952192

約数和(自身を除く): 11843055

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 24517, 73551, 171619, 514857, 1005197, 3015591, 7036379, 21109137]

約数ペア:

[(1, 21109137), (3, 7036379), (7, 3015591), (21, 1005197), (41, 514857), (123, 171619), (287, 73551), (861, 24517)]