21298812

素因数分解:

$2^2\times 3^1\times {\mathrm{1774901}}^1$

素因数の和:1774908

約数の個数: 12

約数和(自身を含む): 49697256

約数和(自身を除く): 28398444

約数列:

[1, 2, 3, 4, 6, 12, 1774901, 3549802, 5324703, 7099604, 10649406, 21298812]

約数ペア:

[(1, 21298812), (2, 10649406), (3, 7099604), (4, 5324703), (6, 3549802), (12, 1774901)]