21800600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5737}}^1$

素因数の和:5772

約数の個数: 48

約数和(自身を含む): 53363400

約数和(自身を除く): 31562800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5737, 11474, 22948, 28685, 45896, 57370, 109003, 114740, 143425, 218006, 229480, 286850, 436012, 545015, 573700, 872024, 1090030, 1147400, 2180060, 2725075, 4360120, 5450150, 10900300, 21800600]

約数ペア:

[(1, 21800600), (2, 10900300), (4, 5450150), (5, 4360120), (8, 2725075), (10, 2180060), (19, 1147400), (20, 1090030), (25, 872024), (38, 573700), (40, 545015), (50, 436012), (76, 286850), (95, 229480), (100, 218006), (152, 143425), (190, 114740), (200, 109003), (380, 57370), (475, 45896), (760, 28685), (950, 22948), (1900, 11474), (3800, 5737)]