21974277

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10631}}^1$

素因数の和:10700

約数の個数: 16

約数和(自身を含む): 32151168

約数和(自身を除く): 10176891

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 10631, 31893, 138203, 414609, 563443, 1690329, 7324759, 21974277]

約数ペア:

[(1, 21974277), (3, 7324759), (13, 1690329), (39, 563443), (53, 414609), (159, 138203), (689, 31893), (2067, 10631)]