21094612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68489}}^1$

素因数の和:68511

約数の個数: 24

約数和(自身を含む): 46025280

約数和(自身を除く): 24930668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68489, 136978, 273956, 479423, 753379, 958846, 1506758, 1917692, 3013516, 5273653, 10547306, 21094612]

約数ペア:

[(1, 21094612), (2, 10547306), (4, 5273653), (7, 3013516), (11, 1917692), (14, 1506758), (22, 958846), (28, 753379), (44, 479423), (77, 273956), (154, 136978), (308, 68489)]