10821965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28109}}^1$

素因数の和:28132

約数の個数: 16

約数和(自身を含む): 16191360

約数和(自身を除く): 5369395

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 28109, 140545, 196763, 309199, 983815, 1545995, 2164393, 10821965]

約数ペア:

[(1, 10821965), (5, 2164393), (7, 1545995), (11, 983815), (35, 309199), (55, 196763), (77, 140545), (385, 28109)]