21179502

素因数分解:

$2^1\times 3^3\times {\mathrm{392213}}^1$

素因数の和:392224

約数の個数: 16

約数和(自身を含む): 47065680

約数和(自身を除く): 25886178

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 392213, 784426, 1176639, 2353278, 3529917, 7059834, 10589751, 21179502]

約数ペア:

[(1, 21179502), (2, 10589751), (3, 7059834), (6, 3529917), (9, 2353278), (18, 1176639), (27, 784426), (54, 392213)]