21184581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{7213}}^1$

素因数の和:7316

約数の個数: 16

約数和(自身を含む): 31164480

約数和(自身を除く): 9979899

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 7213, 21639, 79343, 238029, 641957, 1925871, 7061527, 21184581]

約数ペア:

[(1, 21184581), (3, 7061527), (11, 1925871), (33, 641957), (89, 238029), (267, 79343), (979, 21639), (2937, 7213)]