21286782

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107509}}^1$

素因数の和:107528

約数の個数: 24

約数和(自身を含む): 50314680

約数和(自身を除く): 29027898

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 107509, 215018, 322527, 645054, 967581, 1182599, 1935162, 2365198, 3547797, 7095594, 10643391, 21286782]

約数ペア:

[(1, 21286782), (2, 10643391), (3, 7095594), (6, 3547797), (9, 2365198), (11, 1935162), (18, 1182599), (22, 967581), (33, 645054), (66, 322527), (99, 215018), (198, 107509)]