21612574

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5347}}^1$

素因数の和:5439

約数の個数: 16

約数和(自身を含む): 33884928

約数和(自身を除く): 12272354

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 5347, 10694, 229921, 251309, 459842, 502618, 10806287, 21612574]

約数ペア:

[(1, 21612574), (2, 10806287), (43, 502618), (47, 459842), (86, 251309), (94, 229921), (2021, 10694), (4042, 5347)]