21000407036

素因数分解:

$2^2\times 7^1\times {\mathrm{750014537}}^1$

素因数の和:750014548

約数の個数: 12

約数和(自身を含む): 42000814128

約数和(自身を除く): 21000407092

約数列:

[1, 2, 4, 7, 14, 28, 750014537, 1500029074, 3000058148, 5250101759, 10500203518, 21000407036]

約数ペア:

[(1, 21000407036), (2, 10500203518), (4, 5250101759), (7, 3000058148), (14, 1500029074), (28, 750014537)]