2021067580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14436197}}^1$

素因数の和:14436213

約数の個数: 24

約数和(自身を含む): 4850562528

約数和(自身を除く): 2829494948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14436197, 28872394, 57744788, 72180985, 101053379, 144361970, 202106758, 288723940, 404213516, 505266895, 1010533790, 2021067580]

約数ペア:

[(1, 2021067580), (2, 1010533790), (4, 505266895), (5, 404213516), (7, 288723940), (10, 202106758), (14, 144361970), (20, 101053379), (28, 72180985), (35, 57744788), (70, 28872394), (140, 14436197)]