21076678

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51913}}^1$

素因数の和:51951

約数の個数: 16

約数和(自身を含む): 37378080

約数和(自身を除く): 16301402

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51913, 103826, 363391, 726782, 1505477, 3010954, 10538339, 21076678]

約数ペア:

[(1, 21076678), (2, 10538339), (7, 3010954), (14, 1505477), (29, 726782), (58, 363391), (203, 103826), (406, 51913)]