21782341

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{823}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 26368000

約数和(自身を除く): 4585659

約数列:

[1, 7, 19, 133, 199, 823, 1393, 3781, 5761, 15637, 26467, 109459, 163777, 1146439, 3111763, 21782341]

約数ペア:

[(1, 21782341), (7, 3111763), (19, 1146439), (133, 163777), (199, 109459), (823, 26467), (1393, 15637), (3781, 5761)]