21096089

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1451}}^1$

素因数の和:1556

約数の個数: 16

約数和(自身を含む): 25276416

約数和(自身を除く): 4180327

約数列:

[1, 7, 31, 67, 217, 469, 1451, 2077, 10157, 14539, 44981, 97217, 314867, 680519, 3013727, 21096089]

約数ペア:

[(1, 21096089), (7, 3013727), (31, 680519), (67, 314867), (217, 97217), (469, 44981), (1451, 14539), (2077, 10157)]