21124854

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 49156800

約数和(自身を除く): 28031946

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 97, 109, 111, 194, 218, 222, 291, 327, 333, 582, 654, 666, 873, 981, 999, 1746, 1962, 1998, 2619, 2943, 3589, 4033, 5238, 5886, 7178, 8066, 10573, 10767, 12099, 21146, 21534, 24198, 31719, 32301, 36297, 63438, 64602, 72594, 95157, 96903, 108891, 190314, 193806, 217782, 285471, 391201, 570942, 782402, 1173603, 2347206, 3520809, 7041618, 10562427, 21124854]

約数ペア:

[(1, 21124854), (2, 10562427), (3, 7041618), (6, 3520809), (9, 2347206), (18, 1173603), (27, 782402), (37, 570942), (54, 391201), (74, 285471), (97, 217782), (109, 193806), (111, 190314), (194, 108891), (218, 96903), (222, 95157), (291, 72594), (327, 64602), (333, 63438), (582, 36297), (654, 32301), (666, 31719), (873, 24198), (981, 21534), (999, 21146), (1746, 12099), (1962, 10767), (1998, 10573), (2619, 8066), (2943, 7178), (3589, 5886), (4033, 5238)]