21258093

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{809}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 29937600

約数和(自身を除く): 8679507

約数列:

[1, 3, 19, 57, 461, 809, 1383, 2427, 8759, 15371, 26277, 46113, 372949, 1118847, 7086031, 21258093]

約数ペア:

[(1, 21258093), (3, 7086031), (19, 1118847), (57, 372949), (461, 46113), (809, 26277), (1383, 15371), (2427, 8759)]