21722277

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{4391}}^1$

素因数の和:4508

約数の個数: 16

約数和(自身を含む): 30989952

約数和(自身を除く): 9267675

約数列:

[1, 3, 17, 51, 97, 291, 1649, 4391, 4947, 13173, 74647, 223941, 425927, 1277781, 7240759, 21722277]

約数ペア:

[(1, 21722277), (3, 7240759), (17, 1277781), (51, 425927), (97, 223941), (291, 74647), (1649, 13173), (4391, 4947)]