21300351

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1013}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 29268096

約数和(自身を除く): 7967745

約数列:

[1, 3, 43, 129, 163, 489, 1013, 3039, 7009, 21027, 43559, 130677, 165119, 495357, 7100117, 21300351]

約数ペア:

[(1, 21300351), (3, 7100117), (43, 495357), (129, 165119), (163, 130677), (489, 43559), (1013, 21027), (3039, 7009)]