21355437

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{487}}^1$

素因数の和:848

約数の個数: 16

約数和(自身を含む): 29233152

約数和(自身を除く): 7877715

約数列:

[1, 3, 47, 141, 311, 487, 933, 1461, 14617, 22889, 43851, 68667, 151457, 454371, 7118479, 21355437]

約数ペア:

[(1, 21355437), (3, 7118479), (47, 454371), (141, 151457), (311, 68667), (487, 43851), (933, 22889), (1461, 14617)]