21000340844

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2365969}}^1$

素因数の和:2366297

約数の個数: 24

約数和(自身を含む): 42133193760

約数和(自身を除く): 21132852916

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 4438, 8876, 2365969, 4731938, 9463876, 16561783, 33123566, 66247132, 750012173, 1500024346, 3000048692, 5250085211, 10500170422, 21000340844]

約数ペア:

[(1, 21000340844), (2, 10500170422), (4, 5250085211), (7, 3000048692), (14, 1500024346), (28, 750012173), (317, 66247132), (634, 33123566), (1268, 16561783), (2219, 9463876), (4438, 4731938), (8876, 2365969)]