21398617

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 23560000

約数和(自身を除く): 2161383

約数列:

[1, 19, 37, 61, 499, 703, 1159, 2257, 9481, 18463, 30439, 42883, 350797, 578341, 1126243, 21398617]

約数ペア:

[(1, 21398617), (19, 1126243), (37, 578341), (61, 350797), (499, 42883), (703, 30439), (1159, 18463), (2257, 9481)]