21609708

素因数分解:

$2^2\times 3^1\times {\mathrm{1800809}}^1$

素因数の和:1800816

約数の個数: 12

約数和(自身を含む): 50422680

約数和(自身を除く): 28812972

約数列:

[1, 2, 3, 4, 6, 12, 1800809, 3601618, 5402427, 7203236, 10804854, 21609708]

約数ペア:

[(1, 21609708), (2, 10804854), (3, 7203236), (4, 5402427), (6, 3601618), (12, 1800809)]