21261724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{483221}}^1$

素因数の和:483236

約数の個数: 12

約数和(自身を含む): 40590648

約数和(自身を除く): 19328924

約数列:

[1, 2, 4, 11, 22, 44, 483221, 966442, 1932884, 5315431, 10630862, 21261724]

約数ペア:

[(1, 21261724), (2, 10630862), (4, 5315431), (11, 1932884), (22, 966442), (44, 483221)]