21092876

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17519}}^1$

素因数の和:17573

約数の個数: 24

約数和(自身を含む): 43169280

約数和(自身を除く): 22076404

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17519, 35038, 70076, 122633, 245266, 490532, 753317, 1506634, 3013268, 5273219, 10546438, 21092876]

約数ペア:

[(1, 21092876), (2, 10546438), (4, 5273219), (7, 3013268), (14, 1506634), (28, 753317), (43, 490532), (86, 245266), (172, 122633), (301, 70076), (602, 35038), (1204, 17519)]