21604946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2237}}^1$

素因数の和:2689

約数の個数: 16

約数和(自身を含む): 35449920

約数和(自身を除く): 13844974

約数列:

[1, 2, 11, 22, 439, 878, 2237, 4474, 4829, 9658, 24607, 49214, 982043, 1964086, 10802473, 21604946]

約数ペア:

[(1, 21604946), (2, 10802473), (11, 1964086), (22, 982043), (439, 49214), (878, 24607), (2237, 9658), (4474, 4829)]