21680982

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{11257}}^1$

素因数の和:11372

約数の個数: 24

約数和(自身を含む): 47418696

約数和(自身を除く): 25737714

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 11257, 22514, 33771, 67542, 101313, 202626, 1204499, 2408998, 3613497, 7226994, 10840491, 21680982]

約数ペア:

[(1, 21680982), (2, 10840491), (3, 7226994), (6, 3613497), (9, 2408998), (18, 1204499), (107, 202626), (214, 101313), (321, 67542), (642, 33771), (963, 22514), (1926, 11257)]