21208061

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5749}}^1$

素因数の和:5804

約数の個数: 16

約数和(自身を含む): 26496000

約数和(自身を除く): 5287939

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5749, 40243, 97733, 178219, 684131, 1247533, 3029723, 21208061]

約数ペア:

[(1, 21208061), (7, 3029723), (17, 1247533), (31, 684131), (119, 178219), (217, 97733), (527, 40243), (3689, 5749)]