21785193

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{2423}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 33528768

約数和(自身を除く): 11743575

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2423, 2997, 7269, 8991, 21807, 65421, 89651, 196263, 268953, 588789, 806859, 2420577, 7261731, 21785193]

約数ペア:

[(1, 21785193), (3, 7261731), (9, 2420577), (27, 806859), (37, 588789), (81, 268953), (111, 196263), (243, 89651), (333, 65421), (999, 21807), (2423, 8991), (2997, 7269)]