21422739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1583}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 30868992

約数和(自身を除く): 9446253

約数列:

[1, 3, 13, 39, 347, 1041, 1583, 4511, 4749, 13533, 20579, 61737, 549301, 1647903, 7140913, 21422739]

約数ペア:

[(1, 21422739), (3, 7140913), (13, 1647903), (39, 549301), (347, 61737), (1041, 20579), (1583, 13533), (4511, 4749)]