21037082855

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{565589}}^1$

素因数の和:565810

約数の個数: 16

約数和(自身を含む): 25980942240

約数和(自身を除く): 4943859385

約数列:

[1, 5, 43, 173, 215, 865, 7439, 37195, 565589, 2827945, 24320327, 97846897, 121601635, 489234485, 4207416571, 21037082855]

約数ペア:

[(1, 21037082855), (5, 4207416571), (43, 489234485), (173, 121601635), (215, 97846897), (865, 24320327), (7439, 2827945), (37195, 565589)]