21000503469

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8963083}}^1$

素因数の和:8963168

約数の個数: 16

約数和(自身を含む): 30976418304

約数和(自身を除く): 9975914835

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8963083, 26889249, 98593913, 295781739, 636378893, 1909136679, 7000167823, 21000503469]

約数ペア:

[(1, 21000503469), (3, 7000167823), (11, 1909136679), (33, 636378893), (71, 295781739), (213, 98593913), (781, 26889249), (2343, 8963083)]