2021154429

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5661497}}^1$

素因数の和:5661524

約数の個数: 16

約数和(自身を含む): 3261022848

約数和(自身を除く): 1239868419

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 5661497, 16984491, 39630479, 96245449, 118891437, 288736347, 673718143, 2021154429]

約数ペア:

[(1, 2021154429), (3, 673718143), (7, 288736347), (17, 118891437), (21, 96245449), (51, 39630479), (119, 16984491), (357, 5661497)]