21125883

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1033}}^1$

素因数の和:1454

約数の個数: 16

約数和(自身を含む): 29928096

約数和(自身を除く): 8802213

約数列:

[1, 3, 17, 51, 401, 1033, 1203, 3099, 6817, 17561, 20451, 52683, 414233, 1242699, 7041961, 21125883]

約数ペア:

[(1, 21125883), (3, 7041961), (17, 1242699), (51, 414233), (401, 52683), (1033, 20451), (1203, 17561), (3099, 6817)]