21024140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28411}}^1$

素因数の和:28457

約数の個数: 24

約数和(自身を含む): 45345552

約数和(自身を除く): 24321412

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 28411, 56822, 113644, 142055, 284110, 568220, 1051207, 2102414, 4204828, 5256035, 10512070, 21024140]

約数ペア:

[(1, 21024140), (2, 10512070), (4, 5256035), (5, 4204828), (10, 2102414), (20, 1051207), (37, 568220), (74, 284110), (148, 142055), (185, 113644), (370, 56822), (740, 28411)]