21172942

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{35171}}^1$

素因数の和:35223

約数の個数: 16

約数和(自身を含む): 37141632

約数和(自身を除く): 15968690

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 35171, 70342, 246197, 492394, 1512353, 3024706, 10586471, 21172942]

約数ペア:

[(1, 21172942), (2, 10586471), (7, 3024706), (14, 1512353), (43, 492394), (86, 246197), (301, 70342), (602, 35171)]