21380804588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{110917}}^1$

素因数の和:111282

約数の個数: 48

約数和(自身を含む): 44088573984

約数和(自身を除く): 22707769396

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 337, 572, 674, 1348, 3707, 4381, 7414, 8762, 14828, 17524, 48191, 96382, 110917, 192764, 221834, 443668, 1220087, 1441921, 2440174, 2883842, 4880348, 5767684, 15861131, 31722262, 37379029, 63444524, 74758058, 149516116, 411169319, 485927377, 822338638, 971854754, 1644677276, 1943709508, 5345201147, 10690402294, 21380804588]

約数ペア:

[(1, 21380804588), (2, 10690402294), (4, 5345201147), (11, 1943709508), (13, 1644677276), (22, 971854754), (26, 822338638), (44, 485927377), (52, 411169319), (143, 149516116), (286, 74758058), (337, 63444524), (572, 37379029), (674, 31722262), (1348, 15861131), (3707, 5767684), (4381, 4880348), (7414, 2883842), (8762, 2440174), (14828, 1441921), (17524, 1220087), (48191, 443668), (96382, 221834), (110917, 192764)]