21594987

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 32720688

約数和(自身を除く): 11125701

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1361, 1763, 4083, 5289, 12249, 15867, 55801, 58523, 167403, 175569, 502209, 526707, 2399443, 7198329, 21594987]

約数ペア:

[(1, 21594987), (3, 7198329), (9, 2399443), (41, 526707), (43, 502209), (123, 175569), (129, 167403), (369, 58523), (387, 55801), (1361, 15867), (1763, 12249), (4083, 5289)]