21807270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{719}}^1$

素因数の和:1069

約数の個数: 48

約数和(自身を含む): 56946240

約数和(自身を除く): 35138970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 337, 674, 719, 1011, 1438, 1685, 2022, 2157, 3033, 3370, 3595, 4314, 5055, 6066, 6471, 7190, 10110, 10785, 12942, 15165, 21570, 30330, 32355, 64710, 242303, 484606, 726909, 1211515, 1453818, 2180727, 2423030, 3634545, 4361454, 7269090, 10903635, 21807270]

約数ペア:

[(1, 21807270), (2, 10903635), (3, 7269090), (5, 4361454), (6, 3634545), (9, 2423030), (10, 2180727), (15, 1453818), (18, 1211515), (30, 726909), (45, 484606), (90, 242303), (337, 64710), (674, 32355), (719, 30330), (1011, 21570), (1438, 15165), (1685, 12942), (2022, 10785), (2157, 10110), (3033, 7190), (3370, 6471), (3595, 6066), (4314, 5055)]