21737574

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 48941568

約数和(自身を除く): 27203994

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 127, 222, 254, 257, 333, 381, 514, 666, 762, 771, 1143, 1542, 2286, 2313, 4626, 4699, 9398, 9509, 14097, 19018, 28194, 28527, 32639, 42291, 57054, 65278, 84582, 85581, 97917, 171162, 195834, 293751, 587502, 1207643, 2415286, 3622929, 7245858, 10868787, 21737574]

約数ペア:

[(1, 21737574), (2, 10868787), (3, 7245858), (6, 3622929), (9, 2415286), (18, 1207643), (37, 587502), (74, 293751), (111, 195834), (127, 171162), (222, 97917), (254, 85581), (257, 84582), (333, 65278), (381, 57054), (514, 42291), (666, 32639), (762, 28527), (771, 28194), (1143, 19018), (1542, 14097), (2286, 9509), (2313, 9398), (4626, 4699)]