21092559

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{443}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 28771200

約数和(自身を除く): 7678641

約数列:

[1, 3, 59, 177, 269, 443, 807, 1329, 15871, 26137, 47613, 78411, 119167, 357501, 7030853, 21092559]

約数ペア:

[(1, 21092559), (3, 7030853), (59, 357501), (177, 119167), (269, 78411), (443, 47613), (807, 26137), (1329, 15871)]