21258254

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{6029}}^1$

素因数の和:6115

約数の個数: 16

約数和(自身を含む): 33430320

約数和(自身を除く): 12172066

約数列:

[1, 2, 41, 43, 82, 86, 1763, 3526, 6029, 12058, 247189, 259247, 494378, 518494, 10629127, 21258254]

約数ペア:

[(1, 21258254), (2, 10629127), (41, 518494), (43, 494378), (82, 259247), (86, 247189), (1763, 12058), (3526, 6029)]