21103858

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{2237}}^1$

素因数の和:2381

約数の個数: 16

約数和(自身を含む): 32630040

約数和(自身を除く): 11526182

約数列:

[1, 2, 53, 89, 106, 178, 2237, 4474, 4717, 9434, 118561, 199093, 237122, 398186, 10551929, 21103858]

約数ペア:

[(1, 21103858), (2, 10551929), (53, 398186), (89, 237122), (106, 199093), (178, 118561), (2237, 9434), (4474, 4717)]