21584200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9811}}^1$

素因数の和:9838

約数の個数: 48

約数和(自身を含む): 54750960

約数和(自身を除く): 33166760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9811, 19622, 39244, 49055, 78488, 98110, 107921, 196220, 215842, 245275, 392440, 431684, 490550, 539605, 863368, 981100, 1079210, 1962200, 2158420, 2698025, 4316840, 5396050, 10792100, 21584200]

約数ペア:

[(1, 21584200), (2, 10792100), (4, 5396050), (5, 4316840), (8, 2698025), (10, 2158420), (11, 1962200), (20, 1079210), (22, 981100), (25, 863368), (40, 539605), (44, 490550), (50, 431684), (55, 392440), (88, 245275), (100, 215842), (110, 196220), (200, 107921), (220, 98110), (275, 78488), (440, 49055), (550, 39244), (1100, 19622), (2200, 9811)]