21741531

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{24077}}^1$

素因数の和:24130

約数の個数: 16

約数和(自身を含む): 33901824

約数和(自身を除く): 12160293

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 24077, 72231, 168539, 505617, 1035311, 3105933, 7247177, 21741531]

約数ペア:

[(1, 21741531), (3, 7247177), (7, 3105933), (21, 1035311), (43, 505617), (129, 168539), (301, 72231), (903, 24077)]