21605108

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{7079}}^1$

素因数の和:7199

約数の個数: 24

約数和(自身を含む): 43612800

約数和(自身を除く): 22007692

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 7079, 14158, 28316, 49553, 99106, 198212, 771611, 1543222, 3086444, 5401277, 10802554, 21605108]

約数ペア:

[(1, 21605108), (2, 10802554), (4, 5401277), (7, 3086444), (14, 1543222), (28, 771611), (109, 198212), (218, 99106), (436, 49553), (763, 28316), (1526, 14158), (3052, 7079)]