21753578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{141257}}^1$

素因数の和:141277

約数の個数: 16

約数和(自身を含む): 40682304

約数和(自身を除く): 18928726

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 141257, 282514, 988799, 1553827, 1977598, 3107654, 10876789, 21753578]

約数ペア:

[(1, 21753578), (2, 10876789), (7, 3107654), (11, 1977598), (14, 1553827), (22, 988799), (77, 282514), (154, 141257)]