21964965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{133121}}^1$

素因数の和:133140

約数の個数: 16

約数和(自身を含む): 38339136

約数和(自身を除く): 16374171

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 133121, 399363, 665605, 1464331, 1996815, 4392993, 7321655, 21964965]

約数ペア:

[(1, 21964965), (3, 7321655), (5, 4392993), (11, 1996815), (15, 1464331), (33, 665605), (55, 399363), (165, 133121)]