21090327

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 28716672

約数和(自身を除く): 7626345

約数列:

[1, 3, 67, 201, 317, 331, 951, 993, 21239, 22177, 63717, 66531, 104927, 314781, 7030109, 21090327]

約数ペア:

[(1, 21090327), (3, 7030109), (67, 314781), (201, 104927), (317, 66531), (331, 63717), (951, 22177), (993, 21239)]