2021432819

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{2171249}}^1$

素因数の和:2171282

約数の個数: 12

約数和(自身を含む): 2475225000

約数和(自身を除く): 453792181

約数列:

[1, 7, 19, 49, 133, 931, 2171249, 15198743, 41253731, 106391201, 288776117, 2021432819]

約数ペア:

[(1, 2021432819), (7, 288776117), (19, 106391201), (49, 41253731), (133, 15198743), (931, 2171249)]