21719847

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1\times {\mathrm{443}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 29623680

約数和(自身を除く): 7903833

約数列:

[1, 3, 59, 177, 277, 443, 831, 1329, 16343, 26137, 49029, 78411, 122711, 368133, 7239949, 21719847]

約数ペア:

[(1, 21719847), (3, 7239949), (59, 368133), (177, 122711), (277, 78411), (443, 49029), (831, 26137), (1329, 16343)]