21042078

素因数分解:

$2^1\times 3^1\times {\mathrm{149}}^1\times {\mathrm{23537}}^1$

素因数の和:23691

約数の個数: 16

約数和(自身を含む): 42368400

約数和(自身を除く): 21326322

約数列:

[1, 2, 3, 6, 149, 298, 447, 894, 23537, 47074, 70611, 141222, 3507013, 7014026, 10521039, 21042078]

約数ペア:

[(1, 21042078), (2, 10521039), (3, 7014026), (6, 3507013), (149, 141222), (298, 70611), (447, 47074), (894, 23537)]