21095949

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{6163}}^1$

素因数の和:6336

約数の個数: 16

約数和(自身を含む): 32348672

約数和(自身を除く): 11252723

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 6163, 18489, 43141, 129423, 1004569, 3013707, 7031983, 21095949]

約数ペア:

[(1, 21095949), (3, 7031983), (7, 3013707), (21, 1004569), (163, 129423), (489, 43141), (1141, 18489), (3423, 6163)]