2121222790

素因数分解:

$2^1\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{201829}}^1$

素因数の和:202887

約数の個数: 16

約数和(自身を含む): 3821852880

約数和(自身を除く): 1700630090

約数列:

[1, 2, 5, 10, 1051, 2102, 5255, 10510, 201829, 403658, 1009145, 2018290, 212122279, 424244558, 1060611395, 2121222790]

約数ペア:

[(1, 2121222790), (2, 1060611395), (5, 424244558), (10, 212122279), (1051, 2018290), (2102, 1009145), (5255, 403658), (10510, 201829)]