21116600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5557}}^1$

素因数の和:5592

約数の個数: 48

約数和(自身を含む): 51689400

約数和(自身を除く): 30572800

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, 5557, 11114, 22228, 27785, 44456, 55570, 105583, 111140, 138925, 211166, 222280, 277850, 422332, 527915, 555700, 844664, 1055830, 1111400, 2111660, 2639575, 4223320, 5279150, 10558300, 21116600]

約数ペア:

[(1, 21116600), (2, 10558300), (4, 5279150), (5, 4223320), (8, 2639575), (10, 2111660), (19, 1111400), (20, 1055830), (25, 844664), (38, 555700), (40, 527915), (50, 422332), (76, 277850), (95, 222280), (100, 211166), (152, 138925), (190, 111140), (200, 105583), (380, 55570), (475, 44456), (760, 27785), (950, 22228), (1900, 11114), (3800, 5557)]