21629130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{720971}}^1$

素因数の和:720981

約数の個数: 16

約数和(自身を含む): 51909984

約数和(自身を除く): 30280854

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 720971, 1441942, 2162913, 3604855, 4325826, 7209710, 10814565, 21629130]

約数ペア:

[(1, 21629130), (2, 10814565), (3, 7209710), (5, 4325826), (6, 3604855), (10, 2162913), (15, 1441942), (30, 720971)]