21097059

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 28644000

約数和(自身を除く): 7546941

約数列:

[1, 3, 109, 149, 327, 433, 447, 1299, 16241, 47197, 48723, 64517, 141591, 193551, 7032353, 21097059]

約数ペア:

[(1, 21097059), (3, 7032353), (109, 193551), (149, 141591), (327, 64517), (433, 48723), (447, 47197), (1299, 16241)]