21090876

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{12829}}^1$

素因数の和:12973

約数の個数: 24

約数和(自身を含む): 49575120

約数和(自身を除く): 28484244

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 12829, 25658, 38487, 51316, 76974, 153948, 1757573, 3515146, 5272719, 7030292, 10545438, 21090876]

約数ペア:

[(1, 21090876), (2, 10545438), (3, 7030292), (4, 5272719), (6, 3515146), (12, 1757573), (137, 153948), (274, 76974), (411, 51316), (548, 38487), (822, 25658), (1644, 12829)]