21063281036

素因数分解:

$2^2\times 7^1\times {\mathrm{752260037}}^1$

素因数の和:752260048

約数の個数: 12

約数和(自身を含む): 42126562128

約数和(自身を除く): 21063281092

約数列:

[1, 2, 4, 7, 14, 28, 752260037, 1504520074, 3009040148, 5265820259, 10531640518, 21063281036]

約数ペア:

[(1, 21063281036), (2, 10531640518), (4, 5265820259), (7, 3009040148), (14, 1504520074), (28, 752260037)]