21827676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139921}}^1$

素因数の和:139941

約数の個数: 24

約数和(自身を含む): 54849424

約数和(自身を除く): 33021748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139921, 279842, 419763, 559684, 839526, 1679052, 1818973, 3637946, 5456919, 7275892, 10913838, 21827676]

約数ペア:

[(1, 21827676), (2, 10913838), (3, 7275892), (4, 5456919), (6, 3637946), (12, 1818973), (13, 1679052), (26, 839526), (39, 559684), (52, 419763), (78, 279842), (156, 139921)]