21297072

素因数分解:

$2^4\times 3^1\times {\mathrm{443689}}^1$

素因数の和:443700

約数の個数: 20

約数和(自身を含む): 55017560

約数和(自身を除く): 33720488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443689, 887378, 1331067, 1774756, 2662134, 3549512, 5324268, 7099024, 10648536, 21297072]

約数ペア:

[(1, 21297072), (2, 10648536), (3, 7099024), (4, 5324268), (6, 3549512), (8, 2662134), (12, 1774756), (16, 1331067), (24, 887378), (48, 443689)]