21469857

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1117}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 29515200

約数和(自身を除く): 8045343

約数列:

[1, 3, 43, 129, 149, 447, 1117, 3351, 6407, 19221, 48031, 144093, 166433, 499299, 7156619, 21469857]

約数ペア:

[(1, 21469857), (3, 7156619), (43, 499299), (129, 166433), (149, 144093), (447, 48031), (1117, 19221), (3351, 6407)]