21627155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1451}}^1$

素因数の和:1738

約数の個数: 16

約数和(自身を含む): 28435968

約数和(自身を除く): 6808813

約数列:

[1, 5, 11, 55, 271, 1355, 1451, 2981, 7255, 14905, 15961, 79805, 393221, 1966105, 4325431, 21627155]

約数ペア:

[(1, 21627155), (5, 4325431), (11, 1966105), (55, 393221), (271, 79805), (1355, 15961), (1451, 14905), (2981, 7255)]