21646326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2861}}^1$

素因数の和:2976

約数の個数: 32

約数和(自身を含む): 47119968

約数和(自身を除く): 25473642

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 291, 582, 1261, 2522, 2861, 3783, 5722, 7566, 8583, 17166, 37193, 74386, 111579, 223158, 277517, 555034, 832551, 1665102, 3607721, 7215442, 10823163, 21646326]

約数ペア:

[(1, 21646326), (2, 10823163), (3, 7215442), (6, 3607721), (13, 1665102), (26, 832551), (39, 555034), (78, 277517), (97, 223158), (194, 111579), (291, 74386), (582, 37193), (1261, 17166), (2522, 8583), (2861, 7566), (3783, 5722)]