2181241321

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{2618537}}^1$

素因数の和:2618568

約数の個数: 12

約数和(自身を含む): 2686619988

約数和(自身を除く): 505378667

約数列:

[1, 7, 17, 49, 119, 833, 2618537, 18329759, 44515129, 128308313, 311605903, 2181241321]

約数ペア:

[(1, 2181241321), (7, 311605903), (17, 128308313), (49, 44515129), (119, 18329759), (833, 2618537)]