21965660

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{3259}}^1$

素因数の和:3605

約数の個数: 24

約数和(自身を含む): 46278960

約数和(自身を除く): 24313300

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 3259, 3370, 6518, 6740, 13036, 16295, 32590, 65180, 1098283, 2196566, 4393132, 5491415, 10982830, 21965660]

約数ペア:

[(1, 21965660), (2, 10982830), (4, 5491415), (5, 4393132), (10, 2196566), (20, 1098283), (337, 65180), (674, 32590), (1348, 16295), (1685, 13036), (3259, 6740), (3370, 6518)]