21216063

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8807}}^1$

素因数の和:8894

約数の個数: 16

約数和(自身を含む): 31286016

約数和(自身を除く): 10069953

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8807, 26421, 96877, 290631, 642911, 1928733, 7072021, 21216063]

約数ペア:

[(1, 21216063), (3, 7072021), (11, 1928733), (33, 642911), (73, 290631), (219, 96877), (803, 26421), (2409, 8807)]