21431759

素因数分解:

${\mathrm{43}}^2\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:326

約数の個数: 12

約数和(自身を含む): 22397976

約数和(自身を除く): 966217

約数列:

[1, 43, 67, 173, 1849, 2881, 7439, 11591, 123883, 319877, 498413, 21431759]

約数ペア:

[(1, 21431759), (43, 498413), (67, 319877), (173, 123883), (1849, 11591), (2881, 7439)]