21175894654

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{34847}}^1$

素因数の和:35220

約数の個数: 32

約数和(自身を含む): 34301304576

約数和(自身を除く): 13125409922

約数列:

[1, 2, 17, 34, 61, 122, 293, 586, 1037, 2074, 4981, 9962, 17873, 34847, 35746, 69694, 303841, 592399, 607682, 1184798, 2125667, 4251334, 10210171, 20420342, 36136339, 72272678, 173572907, 347145814, 622820431, 1245640862, 10587947327, 21175894654]

約数ペア:

[(1, 21175894654), (2, 10587947327), (17, 1245640862), (34, 622820431), (61, 347145814), (122, 173572907), (293, 72272678), (586, 36136339), (1037, 20420342), (2074, 10210171), (4981, 4251334), (9962, 2125667), (17873, 1184798), (34847, 607682), (35746, 592399), (69694, 303841)]