21752792

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 43409520

約数和(自身を除く): 21656728

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 307, 521, 614, 1042, 1228, 2084, 2456, 4168, 5219, 8857, 10438, 17714, 20876, 35428, 41752, 70856, 159947, 319894, 639788, 1279576, 2719099, 5438198, 10876396, 21752792]

約数ペア:

[(1, 21752792), (2, 10876396), (4, 5438198), (8, 2719099), (17, 1279576), (34, 639788), (68, 319894), (136, 159947), (307, 70856), (521, 41752), (614, 35428), (1042, 20876), (1228, 17714), (2084, 10438), (2456, 8857), (4168, 5219)]