21299362

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{35381}}^1$

素因数の和:35433

約数の個数: 16

約数和(自身を含む): 37363392

約数和(自身を除く): 16064030

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 35381, 70762, 247667, 495334, 1521383, 3042766, 10649681, 21299362]

約数ペア:

[(1, 21299362), (2, 10649681), (7, 3042766), (14, 1521383), (43, 495334), (86, 247667), (301, 70762), (602, 35381)]