21080834

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5801}}^1$

素因数の和:5905

約数の個数: 16

約数和(自身を含む): 33419520

約数和(自身を除く): 12338686

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 5801, 11602, 133423, 266846, 458279, 916558, 10540417, 21080834]

約数ペア:

[(1, 21080834), (2, 10540417), (23, 916558), (46, 458279), (79, 266846), (158, 133423), (1817, 11602), (3634, 5801)]