21672819

素因数分解:

$3^3\times 7^1\times {\mathrm{114671}}^1$

素因数の和:114687

約数の個数: 16

約数和(自身を含む): 36695040

約数和(自身を除く): 15022221

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 114671, 344013, 802697, 1032039, 2408091, 3096117, 7224273, 21672819]

約数ペア:

[(1, 21672819), (3, 7224273), (7, 3096117), (9, 2408091), (21, 1032039), (27, 802697), (63, 344013), (189, 114671)]