21084564388

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{4937}}^1\times {\mathrm{26041}}^1$

素因数の和:31023

約数の個数: 24

約数和(自身を含む): 37807046424

約数和(自身を除く): 16722482036

約数列:

[1, 2, 4, 41, 82, 164, 4937, 9874, 19748, 26041, 52082, 104164, 202417, 404834, 809668, 1067681, 2135362, 4270724, 128564417, 257128834, 514257668, 5271141097, 10542282194, 21084564388]

約数ペア:

[(1, 21084564388), (2, 10542282194), (4, 5271141097), (41, 514257668), (82, 257128834), (164, 128564417), (4937, 4270724), (9874, 2135362), (19748, 1067681), (26041, 809668), (52082, 404834), (104164, 202417)]