21198602881

素因数分解:

${\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{787}}^1\times {\mathrm{1307}}^1$

素因数の和:2688

約数の個数: 16

約数和(自身を含む): 21855047616

約数和(自身を除く): 656444735

約数列:

[1, 37, 557, 787, 1307, 20609, 29119, 48359, 438359, 727999, 1028609, 16219283, 26935963, 38058533, 572935213, 21198602881]

約数ペア:

[(1, 21198602881), (37, 572935213), (557, 38058533), (787, 26935963), (1307, 16219283), (20609, 1028609), (29119, 727999), (48359, 438359)]