21921396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{260969}}^1$

素因数の和:260983

約数の個数: 24

約数和(自身を含む): 58457280

約数和(自身を除く): 36535884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 260969, 521938, 782907, 1043876, 1565814, 1826783, 3131628, 3653566, 5480349, 7307132, 10960698, 21921396]

約数ペア:

[(1, 21921396), (2, 10960698), (3, 7307132), (4, 5480349), (6, 3653566), (7, 3131628), (12, 1826783), (14, 1565814), (21, 1043876), (28, 782907), (42, 521938), (84, 260969)]