21751352

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20443}}^1$

素因数の和:20475

約数の個数: 32

約数和(自身を含む): 49065600

約数和(自身を除く): 27314248

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20443, 40886, 81772, 143101, 163544, 286202, 388417, 572404, 776834, 1144808, 1553668, 2718919, 3107336, 5437838, 10875676, 21751352]

約数ペア:

[(1, 21751352), (2, 10875676), (4, 5437838), (7, 3107336), (8, 2718919), (14, 1553668), (19, 1144808), (28, 776834), (38, 572404), (56, 388417), (76, 286202), (133, 163544), (152, 143101), (266, 81772), (532, 40886), (1064, 20443)]