21742353

素因数分解:

$3^2\times {\mathrm{439}}^1\times {\mathrm{5503}}^1$

素因数の和:5948

約数の個数: 12

約数和(自身を含む): 31482880

約数和(自身を除く): 9740527

約数列:

[1, 3, 9, 439, 1317, 3951, 5503, 16509, 49527, 2415817, 7247451, 21742353]

約数ペア:

[(1, 21742353), (3, 7247451), (9, 2415817), (439, 49527), (1317, 16509), (3951, 5503)]