21477554

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{35677}}^1$

素因数の和:35729

約数の個数: 16

約数和(自身を含む): 37675968

約数和(自身を除く): 16198414

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 35677, 71354, 249739, 499478, 1534111, 3068222, 10738777, 21477554]

約数ペア:

[(1, 21477554), (2, 10738777), (7, 3068222), (14, 1534111), (43, 499478), (86, 249739), (301, 71354), (602, 35677)]