21761234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{2203}}^1$

素因数の和:2665

約数の個数: 16

約数和(自身を含む): 35704800

約数和(自身を除く): 13943566

約数列:

[1, 2, 11, 22, 449, 898, 2203, 4406, 4939, 9878, 24233, 48466, 989147, 1978294, 10880617, 21761234]

約数ペア:

[(1, 21761234), (2, 10880617), (11, 1978294), (22, 989147), (449, 48466), (898, 24233), (2203, 9878), (4406, 4939)]