21916617

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{4201}}^1$

素因数の和:4288

約数の個数: 16

約数和(自身を含む): 30657792

約数和(自身を除く): 8741175

約数列:

[1, 3, 37, 47, 111, 141, 1739, 4201, 5217, 12603, 155437, 197447, 466311, 592341, 7305539, 21916617]

約数ペア:

[(1, 21916617), (3, 7305539), (37, 592341), (47, 466311), (111, 197447), (141, 155437), (1739, 12603), (4201, 5217)]