21463149

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{439}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 29427200

約数和(自身を除く): 7964051

約数列:

[1, 3, 43, 129, 379, 439, 1137, 1317, 16297, 18877, 48891, 56631, 166381, 499143, 7154383, 21463149]

約数ペア:

[(1, 21463149), (3, 7154383), (43, 499143), (129, 166381), (379, 56631), (439, 48891), (1137, 18877), (1317, 16297)]