21828086

素因数分解:

$2^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{1381}}^1$

素因数の和:2519

約数の個数: 16

約数和(自身を含む): 37479840

約数和(自身を除く): 15651754

約数列:

[1, 2, 7, 14, 1129, 1381, 2258, 2762, 7903, 9667, 15806, 19334, 1559149, 3118298, 10914043, 21828086]

約数ペア:

[(1, 21828086), (2, 10914043), (7, 3118298), (14, 1559149), (1129, 19334), (1381, 15806), (2258, 9667), (2762, 7903)]