21127534

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5227}}^1$

素因数の和:5319

約数の個数: 16

約数和(自身を含む): 33124608

約数和(自身を除く): 11997074

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 5227, 10454, 224761, 245669, 449522, 491338, 10563767, 21127534]

約数ペア:

[(1, 21127534), (2, 10563767), (43, 491338), (47, 449522), (86, 245669), (94, 224761), (2021, 10454), (4042, 5227)]