21230147246

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{354391}}^1$

素因数の和:354800

約数の個数: 32

約数和(自身を含む): 39805309440

約数和(自身を除く): 18575162194

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 389, 778, 2723, 4279, 5446, 8558, 29953, 59906, 354391, 708782, 2480737, 3898301, 4961474, 7796602, 27288107, 54576214, 137858099, 275716198, 965006693, 1516439089, 1930013386, 3032878178, 10615073623, 21230147246]

約数ペア:

[(1, 21230147246), (2, 10615073623), (7, 3032878178), (11, 1930013386), (14, 1516439089), (22, 965006693), (77, 275716198), (154, 137858099), (389, 54576214), (778, 27288107), (2723, 7796602), (4279, 4961474), (5446, 3898301), (8558, 2480737), (29953, 708782), (59906, 354391)]