21586306

素因数分解:

$2^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{1373}}^1$

素因数の和:2505

約数の個数: 16

約数和(自身を含む): 37065024

約数和(自身を除く): 15478718

約数列:

[1, 2, 7, 14, 1123, 1373, 2246, 2746, 7861, 9611, 15722, 19222, 1541879, 3083758, 10793153, 21586306]

約数ペア:

[(1, 21586306), (2, 10793153), (7, 3083758), (14, 1541879), (1123, 19222), (1373, 15722), (2246, 9611), (2746, 7861)]