21000581569

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{440809}}^1$

素因数の和:440952

約数の個数: 16

約数和(自身を含む): 23613310080

約数和(自身を除く): 2612728511

約数列:

[1, 11, 61, 71, 671, 781, 4331, 47641, 440809, 4848899, 26889349, 31297439, 295782839, 344271829, 1909143779, 21000581569]

約数ペア:

[(1, 21000581569), (11, 1909143779), (61, 344271829), (71, 295782839), (671, 31297439), (781, 26889349), (4331, 4848899), (47641, 440809)]