21679336

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10463}}^1$

素因数の和:10513

約数の個数: 32

約数和(自身を含む): 47715840

約数和(自身を除く): 26036504

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10463, 20926, 41852, 73241, 83704, 146482, 292964, 387131, 585928, 774262, 1548524, 2709917, 3097048, 5419834, 10839668, 21679336]

約数ペア:

[(1, 21679336), (2, 10839668), (4, 5419834), (7, 3097048), (8, 2709917), (14, 1548524), (28, 774262), (37, 585928), (56, 387131), (74, 292964), (148, 146482), (259, 83704), (296, 73241), (518, 41852), (1036, 20926), (2072, 10463)]