21176144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120319}}^1$

素因数の和:120338

約数の個数: 20

約数和(自身を含む): 44759040

約数和(自身を除く): 23582896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120319, 240638, 481276, 962552, 1323509, 1925104, 2647018, 5294036, 10588072, 21176144]

約数ペア:

[(1, 21176144), (2, 10588072), (4, 5294036), (8, 2647018), (11, 1925104), (16, 1323509), (22, 962552), (44, 481276), (88, 240638), (176, 120319)]