21219761728

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1310509}}^1$

素因数の和:1310555

約数の個数: 56

約数和(自身を含む): 47933213760

約数和(自身を除く): 26713452032

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 176, 184, 253, 352, 368, 506, 704, 736, 1012, 1472, 2024, 4048, 8096, 16192, 1310509, 2621018, 5242036, 10484072, 14415599, 20968144, 28831198, 30141707, 41936288, 57662396, 60283414, 83872576, 115324792, 120566828, 230649584, 241133656, 331558777, 461299168, 482267312, 663117554, 922598336, 964534624, 1326235108, 1929069248, 2652470216, 5304940432, 10609880864, 21219761728]

約数ペア:

[(1, 21219761728), (2, 10609880864), (4, 5304940432), (8, 2652470216), (11, 1929069248), (16, 1326235108), (22, 964534624), (23, 922598336), (32, 663117554), (44, 482267312), (46, 461299168), (64, 331558777), (88, 241133656), (92, 230649584), (176, 120566828), (184, 115324792), (253, 83872576), (352, 60283414), (368, 57662396), (506, 41936288), (704, 30141707), (736, 28831198), (1012, 20968144), (1472, 14415599), (2024, 10484072), (4048, 5242036), (8096, 2621018), (16192, 1310509)]