21074991

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{3623}}^1$

素因数の和:3910

約数の個数: 16

約数和(自身を含む): 32239104

約数和(自身を除く): 11164113

約数列:

[1, 3, 7, 21, 277, 831, 1939, 3623, 5817, 10869, 25361, 76083, 1003571, 3010713, 7024997, 21074991]

約数ペア:

[(1, 21074991), (3, 7024997), (7, 3010713), (21, 1003571), (277, 76083), (831, 25361), (1939, 10869), (3623, 5817)]