21879032

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20563}}^1$

素因数の和:20595

約数の個数: 32

約数和(自身を含む): 49353600

約数和(自身を除く): 27474568

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20563, 41126, 82252, 143941, 164504, 287882, 390697, 575764, 781394, 1151528, 1562788, 2734879, 3125576, 5469758, 10939516, 21879032]

約数ペア:

[(1, 21879032), (2, 10939516), (4, 5469758), (7, 3125576), (8, 2734879), (14, 1562788), (19, 1151528), (28, 781394), (38, 575764), (56, 390697), (76, 287882), (133, 164504), (152, 143941), (266, 82252), (532, 41126), (1064, 20563)]