21777184

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4759}}^1$

素因数の和:4793

約数の個数: 48

約数和(自身を含む): 50379840

約数和(自身を除く): 28602656

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 4759, 9518, 19036, 38072, 52349, 61867, 76144, 104698, 123734, 152288, 209396, 247468, 418792, 494936, 680537, 837584, 989872, 1361074, 1675168, 1979744, 2722148, 5444296, 10888592, 21777184]

約数ペア:

[(1, 21777184), (2, 10888592), (4, 5444296), (8, 2722148), (11, 1979744), (13, 1675168), (16, 1361074), (22, 989872), (26, 837584), (32, 680537), (44, 494936), (52, 418792), (88, 247468), (104, 209396), (143, 152288), (176, 123734), (208, 104698), (286, 76144), (352, 61867), (416, 52349), (572, 38072), (1144, 19036), (2288, 9518), (4576, 4759)]