21699008

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10937}}^1$

素因数の和:10980

約数の個数: 28

約数和(自身を含む): 44452032

約数和(自身を除く): 22753024

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10937, 21874, 43748, 87496, 174992, 339047, 349984, 678094, 699968, 1356188, 2712376, 5424752, 10849504, 21699008]

約数ペア:

[(1, 21699008), (2, 10849504), (4, 5424752), (8, 2712376), (16, 1356188), (31, 699968), (32, 678094), (62, 349984), (64, 339047), (124, 174992), (248, 87496), (496, 43748), (992, 21874), (1984, 10937)]