21382060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{152729}}^1$

素因数の和:152745

約数の個数: 24

約数和(自身を含む): 51317280

約数和(自身を除く): 29935220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 152729, 305458, 610916, 763645, 1069103, 1527290, 2138206, 3054580, 4276412, 5345515, 10691030, 21382060]

約数ペア:

[(1, 21382060), (2, 10691030), (4, 5345515), (5, 4276412), (7, 3054580), (10, 2138206), (14, 1527290), (20, 1069103), (28, 763645), (35, 610916), (70, 305458), (140, 152729)]