21692872

素因数分解:

$2^3\times {\mathrm{311}}^1\times {\mathrm{8719}}^1$

素因数の和:9036

約数の個数: 16

約数和(自身を含む): 40809600

約数和(自身を除く): 19116728

約数列:

[1, 2, 4, 8, 311, 622, 1244, 2488, 8719, 17438, 34876, 69752, 2711609, 5423218, 10846436, 21692872]

約数ペア:

[(1, 21692872), (2, 10846436), (4, 5423218), (8, 2711609), (311, 69752), (622, 34876), (1244, 17438), (2488, 8719)]