21000453627

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5189141}}^1$

素因数の和:5189234

約数の個数: 16

約数和(自身を含む): 29889457920

約数和(自身を除く): 8889004293

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5189141, 15567423, 98593679, 295781037, 368429011, 1105287033, 7000151209, 21000453627]

約数ペア:

[(1, 21000453627), (3, 7000151209), (19, 1105287033), (57, 368429011), (71, 295781037), (213, 98593679), (1349, 15567423), (4047, 5189141)]