21082308716

素因数分解:

$2^2\times 7^1\times {\mathrm{2531}}^1\times {\mathrm{297487}}^1$

素因数の和:300029

約数の個数: 24

約数和(自身を含む): 42181418496

約数和(自身を除く): 21099109780

約数列:

[1, 2, 4, 7, 14, 28, 2531, 5062, 10124, 17717, 35434, 70868, 297487, 594974, 1189948, 2082409, 4164818, 8329636, 752939597, 1505879194, 3011758388, 5270577179, 10541154358, 21082308716]

約数ペア:

[(1, 21082308716), (2, 10541154358), (4, 5270577179), (7, 3011758388), (14, 1505879194), (28, 752939597), (2531, 8329636), (5062, 4164818), (10124, 2082409), (17717, 1189948), (35434, 594974), (70868, 297487)]