21427668

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31327}}^1$

素因数の和:31356

約数の個数: 36

約数和(自身を含む): 57016960

約数和(自身を除く): 35589292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31327, 62654, 93981, 125308, 187962, 281943, 375924, 563886, 595213, 1127772, 1190426, 1785639, 2380852, 3571278, 5356917, 7142556, 10713834, 21427668]

約数ペア:

[(1, 21427668), (2, 10713834), (3, 7142556), (4, 5356917), (6, 3571278), (9, 2380852), (12, 1785639), (18, 1190426), (19, 1127772), (36, 595213), (38, 563886), (57, 375924), (76, 281943), (114, 187962), (171, 125308), (228, 93981), (342, 62654), (684, 31327)]