21230187

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{3049}}^1$

素因数の和:3274

約数の個数: 16

約数和(自身を含む): 31036800

約数和(自身を除く): 9806613

約数列:

[1, 3, 11, 33, 211, 633, 2321, 3049, 6963, 9147, 33539, 100617, 643339, 1930017, 7076729, 21230187]

約数ペア:

[(1, 21230187), (3, 7076729), (11, 1930017), (33, 643339), (211, 100617), (633, 33539), (2321, 9147), (3049, 6963)]