21177926

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137519}}^1$

素因数の和:137539

約数の個数: 16

約数和(自身を含む): 39605760

約数和(自身を除く): 18427834

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 137519, 275038, 962633, 1512709, 1925266, 3025418, 10588963, 21177926]

約数ペア:

[(1, 21177926), (2, 10588963), (7, 3025418), (11, 1925266), (14, 1512709), (22, 962633), (77, 275038), (154, 137519)]