21000455252

素因数分解:

$2^2\times 7^1\times {\mathrm{750016259}}^1$

素因数の和:750016270

約数の個数: 12

約数和(自身を含む): 42000910560

約数和(自身を除く): 21000455308

約数列:

[1, 2, 4, 7, 14, 28, 750016259, 1500032518, 3000065036, 5250113813, 10500227626, 21000455252]

約数ペア:

[(1, 21000455252), (2, 10500227626), (4, 5250113813), (7, 3000065036), (14, 1500032518), (28, 750016259)]