21752889

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 29568000

約数和(自身を除く): 7815111

約数列:

[1, 3, 83, 199, 249, 439, 597, 1317, 16517, 36437, 49551, 87361, 109311, 262083, 7250963, 21752889]

約数ペア:

[(1, 21752889), (3, 7250963), (83, 262083), (199, 109311), (249, 87361), (439, 49551), (597, 36437), (1317, 16517)]