21225237

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9059}}^1$

素因数の和:9144

約数の個数: 16

約数和(自身を含む): 31311360

約数和(自身を除く): 10086123

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 9059, 27177, 99649, 298947, 643189, 1929567, 7075079, 21225237]

約数ペア:

[(1, 21225237), (3, 7075079), (11, 1929567), (33, 643189), (71, 298947), (213, 99649), (781, 27177), (2343, 9059)]