21212926

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13901}}^1$

素因数の和:14019

約数の個数: 16

約数和(自身を含む): 36701280

約数和(自身を除く): 15488354

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13901, 27802, 97307, 194614, 1515209, 3030418, 10606463, 21212926]

約数ペア:

[(1, 21212926), (2, 10606463), (7, 3030418), (14, 1515209), (109, 194614), (218, 97307), (763, 27802), (1526, 13901)]