21662239

素因数分解:

${\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 23026432

約数和(自身を除く): 1364193

約数列:

[1, 43, 67, 73, 103, 2881, 3139, 4429, 4891, 6901, 7519, 210313, 296743, 323317, 503773, 21662239]

約数ペア:

[(1, 21662239), (43, 503773), (67, 323317), (73, 296743), (103, 210313), (2881, 7519), (3139, 6901), (4429, 4891)]