2021902043

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{2171753}}^1$

素因数の和:2171786

約数の個数: 12

約数和(自身を含む): 2475799560

約数和(自身を除く): 453897517

約数列:

[1, 7, 19, 49, 133, 931, 2171753, 15202271, 41263307, 106415897, 288843149, 2021902043]

約数ペア:

[(1, 2021902043), (7, 288843149), (19, 106415897), (49, 41263307), (133, 15202271), (931, 2171753)]