21572524

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 42940800

約数和(自身を除く): 21368276

約数列:

[1, 2, 4, 17, 19, 34, 38, 59, 68, 76, 118, 236, 283, 323, 566, 646, 1003, 1121, 1132, 1292, 2006, 2242, 4012, 4484, 4811, 5377, 9622, 10754, 16697, 19057, 19244, 21508, 33394, 38114, 66788, 76228, 91409, 182818, 283849, 317243, 365636, 567698, 634486, 1135396, 1268972, 5393131, 10786262, 21572524]

約数ペア:

[(1, 21572524), (2, 10786262), (4, 5393131), (17, 1268972), (19, 1135396), (34, 634486), (38, 567698), (59, 365636), (68, 317243), (76, 283849), (118, 182818), (236, 91409), (283, 76228), (323, 66788), (566, 38114), (646, 33394), (1003, 21508), (1121, 19244), (1132, 19057), (1292, 16697), (2006, 10754), (2242, 9622), (4012, 5377), (4484, 4811)]