21364321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 24127488

約数和(自身を除く): 2763167

約数列:

[1, 11, 41, 127, 373, 451, 1397, 4103, 5207, 15293, 47371, 57277, 168223, 521081, 1942211, 21364321]

約数ペア:

[(1, 21364321), (11, 1942211), (41, 521081), (127, 168223), (373, 57277), (451, 47371), (1397, 15293), (4103, 5207)]