21254684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{483061}}^1$

素因数の和:483076

約数の個数: 12

約数和(自身を含む): 40577208

約数和(自身を除く): 19322524

約数列:

[1, 2, 4, 11, 22, 44, 483061, 966122, 1932244, 5313671, 10627342, 21254684]

約数ペア:

[(1, 21254684), (2, 10627342), (4, 5313671), (11, 1932244), (22, 966122), (44, 483061)]