21755195

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{467}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 32887296

約数和(自身を除く): 11132101

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 467, 605, 847, 1331, 2335, 3269, 4235, 5137, 6655, 9317, 16345, 25685, 35959, 46585, 56507, 179795, 282535, 395549, 621577, 1977745, 3107885, 4351039, 21755195]

約数ペア:

[(1, 21755195), (5, 4351039), (7, 3107885), (11, 1977745), (35, 621577), (55, 395549), (77, 282535), (121, 179795), (385, 56507), (467, 46585), (605, 35959), (847, 25685), (1331, 16345), (2335, 9317), (3269, 6655), (4235, 5137)]