21449848

素因数分解:

$2^3\times 7^3\times {\mathrm{7817}}^1$

素因数の和:7844

約数の個数: 32

約数和(自身を含む): 46908000

約数和(自身を除く): 25458152

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7817, 15634, 31268, 54719, 62536, 109438, 218876, 383033, 437752, 766066, 1532132, 2681231, 3064264, 5362462, 10724924, 21449848]

約数ペア:

[(1, 21449848), (2, 10724924), (4, 5362462), (7, 3064264), (8, 2681231), (14, 1532132), (28, 766066), (49, 437752), (56, 383033), (98, 218876), (196, 109438), (343, 62536), (392, 54719), (686, 31268), (1372, 15634), (2744, 7817)]