21355842255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{10589}}^1$

素因数の和:11344

約数の個数: 64

約数和(自身を含む): 39526963200

約数和(自身を除く): 18171120945

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 719, 935, 2157, 2805, 3595, 7909, 10589, 10785, 12223, 23727, 31767, 36669, 39545, 52945, 61115, 116479, 118635, 134453, 158835, 180013, 183345, 349437, 403359, 540039, 582395, 672265, 900065, 1747185, 1980143, 2016795, 2700195, 5940429, 7613491, 9900715, 22840473, 29702145, 38067455, 83748401, 114202365, 129429347, 251245203, 388288041, 418742005, 647146735, 1256226015, 1423722817, 1941440205, 4271168451, 7118614085, 21355842255]

約数ペア:

[(1, 21355842255), (3, 7118614085), (5, 4271168451), (11, 1941440205), (15, 1423722817), (17, 1256226015), (33, 647146735), (51, 418742005), (55, 388288041), (85, 251245203), (165, 129429347), (187, 114202365), (255, 83748401), (561, 38067455), (719, 29702145), (935, 22840473), (2157, 9900715), (2805, 7613491), (3595, 5940429), (7909, 2700195), (10589, 2016795), (10785, 1980143), (12223, 1747185), (23727, 900065), (31767, 672265), (36669, 582395), (39545, 540039), (52945, 403359), (61115, 349437), (116479, 183345), (118635, 180013), (134453, 158835)]