21849016

素因数分解:

$2^3\times 7^1\times {\mathrm{390161}}^1$

素因数の和:390174

約数の個数: 16

約数和(自身を含む): 46819440

約数和(自身を除く): 24970424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 390161, 780322, 1560644, 2731127, 3121288, 5462254, 10924508, 21849016]

約数ペア:

[(1, 21849016), (2, 10924508), (4, 5462254), (7, 3121288), (8, 2731127), (14, 1560644), (28, 780322), (56, 390161)]