21561928

素因数分解:

$2^3\times {\mathrm{733}}^1\times {\mathrm{3677}}^1$

素因数の和:4416

約数の個数: 16

約数和(自身を含む): 40494780

約数和(自身を除く): 18932852

約数列:

[1, 2, 4, 8, 733, 1466, 2932, 3677, 5864, 7354, 14708, 29416, 2695241, 5390482, 10780964, 21561928]

約数ペア:

[(1, 21561928), (2, 10780964), (4, 5390482), (8, 2695241), (733, 29416), (1466, 14708), (2932, 7354), (3677, 5864)]