21728504

素因数分解:

$2^3\times 7^1\times {\mathrm{388009}}^1$

素因数の和:388022

約数の個数: 16

約数和(自身を含む): 46561200

約数和(自身を除く): 24832696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 388009, 776018, 1552036, 2716063, 3104072, 5432126, 10864252, 21728504]

約数ペア:

[(1, 21728504), (2, 10864252), (4, 5432126), (7, 3104072), (8, 2716063), (14, 1552036), (28, 776018), (56, 388009)]