21903486

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331871}}^1$

素因数の和:331887

約数の個数: 16

約数和(自身を含む): 47789568

約数和(自身を除く): 25886082

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 331871, 663742, 995613, 1991226, 3650581, 7301162, 10951743, 21903486]

約数ペア:

[(1, 21903486), (2, 10951743), (3, 7301162), (6, 3650581), (11, 1991226), (22, 995613), (33, 663742), (66, 331871)]