21423241

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23011}}^1$

素因数の和:23044

約数の個数: 12

約数和(自身を含む): 26233680

約数和(自身を除く): 4810439

約数列:

[1, 7, 19, 49, 133, 931, 23011, 161077, 437209, 1127539, 3060463, 21423241]

約数ペア:

[(1, 21423241), (7, 3060463), (19, 1127539), (49, 437209), (133, 161077), (931, 23011)]