21582218

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{14143}}^1$

素因数の和:14261

約数の個数: 16

約数和(自身を含む): 37340160

約数和(自身を除く): 15757942

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 14143, 28286, 99001, 198002, 1541587, 3083174, 10791109, 21582218]

約数ペア:

[(1, 21582218), (2, 10791109), (7, 3083174), (14, 1541587), (109, 198002), (218, 99001), (763, 28286), (1526, 14143)]