21643930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28109}}^1$

素因数の和:28134

約数の個数: 32

約数和(自身を含む): 48574080

約数和(自身を除く): 26930150

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 28109, 56218, 140545, 196763, 281090, 309199, 393526, 618398, 983815, 1545995, 1967630, 2164393, 3091990, 4328786, 10821965, 21643930]

約数ペア:

[(1, 21643930), (2, 10821965), (5, 4328786), (7, 3091990), (10, 2164393), (11, 1967630), (14, 1545995), (22, 983815), (35, 618398), (55, 393526), (70, 309199), (77, 281090), (110, 196763), (154, 140545), (385, 56218), (770, 28109)]