21683396

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3931}}^1$

素因数の和:4139

約数の個数: 24

約数和(自身を含む): 43598016

約数和(自身を除く): 21914620

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3931, 5516, 7862, 15724, 27517, 55034, 110068, 774407, 1548814, 3097628, 5420849, 10841698, 21683396]

約数ペア:

[(1, 21683396), (2, 10841698), (4, 5420849), (7, 3097628), (14, 1548814), (28, 774407), (197, 110068), (394, 55034), (788, 27517), (1379, 15724), (2758, 7862), (3931, 5516)]