21723394

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{141061}}^1$

素因数の和:141081

約数の個数: 16

約数和(自身を含む): 40625856

約数和(自身を除く): 18902462

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 141061, 282122, 987427, 1551671, 1974854, 3103342, 10861697, 21723394]

約数ペア:

[(1, 21723394), (2, 10861697), (7, 3103342), (11, 1974854), (14, 1551671), (22, 987427), (77, 282122), (154, 141061)]