21184088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139369}}^1$

素因数の和:139394

約数の個数: 16

約数和(自身を含む): 41811000

約数和(自身を除く): 20626912

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 139369, 278738, 557476, 1114952, 2648011, 5296022, 10592044, 21184088]

約数ペア:

[(1, 21184088), (2, 10592044), (4, 5296022), (8, 2648011), (19, 1114952), (38, 557476), (76, 278738), (152, 139369)]