21826343

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 27872544

約数和(自身を除く): 6046201

約数列:

[1, 7, 11, 73, 77, 121, 353, 511, 803, 847, 2471, 3883, 5621, 8833, 25769, 27181, 42713, 61831, 180383, 283459, 298991, 1984213, 3118049, 21826343]

約数ペア:

[(1, 21826343), (7, 3118049), (11, 1984213), (73, 298991), (77, 283459), (121, 180383), (353, 61831), (511, 42713), (803, 27181), (847, 25769), (2471, 8833), (3883, 5621)]