21150897

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{487}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 29233152

約数和(自身を除く): 8082255

約数列:

[1, 3, 31, 93, 467, 487, 1401, 1461, 14477, 15097, 43431, 45291, 227429, 682287, 7050299, 21150897]

約数ペア:

[(1, 21150897), (3, 7050299), (31, 682287), (93, 227429), (467, 45291), (487, 43431), (1401, 15097), (1461, 14477)]