21792617

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3877}}^1$

素因数の和:3968

約数の個数: 16

約数和(自身を含む): 27549312

約数和(自身を除く): 5756695

約数列:

[1, 7, 11, 73, 77, 511, 803, 3877, 5621, 27139, 42647, 283021, 298529, 1981147, 3113231, 21792617]

約数ペア:

[(1, 21792617), (7, 3113231), (11, 1981147), (73, 298529), (77, 283021), (511, 42647), (803, 27139), (3877, 5621)]