21037683

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 7474317

約数列:

[1, 3, 131, 199, 269, 393, 597, 807, 26069, 35239, 53531, 78207, 105717, 160593, 7012561, 21037683]

約数ペア:

[(1, 21037683), (3, 7012561), (131, 160593), (199, 105717), (269, 78207), (393, 53531), (597, 35239), (807, 26069)]