21653500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 53673984

約数和(自身を除く): 32020484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 125, 127, 155, 220, 250, 254, 275, 310, 341, 500, 508, 550, 620, 635, 682, 775, 1100, 1270, 1364, 1375, 1397, 1550, 1705, 2540, 2750, 2794, 3100, 3175, 3410, 3875, 3937, 5500, 5588, 6350, 6820, 6985, 7750, 7874, 8525, 12700, 13970, 15500, 15748, 15875, 17050, 19685, 27940, 31750, 34100, 34925, 39370, 42625, 43307, 63500, 69850, 78740, 85250, 86614, 98425, 139700, 170500, 173228, 174625, 196850, 216535, 349250, 393700, 433070, 492125, 698500, 866140, 984250, 1082675, 1968500, 2165350, 4330700, 5413375, 10826750, 21653500]

約数ペア:

[(1, 21653500), (2, 10826750), (4, 5413375), (5, 4330700), (10, 2165350), (11, 1968500), (20, 1082675), (22, 984250), (25, 866140), (31, 698500), (44, 492125), (50, 433070), (55, 393700), (62, 349250), (100, 216535), (110, 196850), (124, 174625), (125, 173228), (127, 170500), (155, 139700), (220, 98425), (250, 86614), (254, 85250), (275, 78740), (310, 69850), (341, 63500), (500, 43307), (508, 42625), (550, 39370), (620, 34925), (635, 34100), (682, 31750), (775, 27940), (1100, 19685), (1270, 17050), (1364, 15875), (1375, 15748), (1397, 15500), (1550, 13970), (1705, 12700), (2540, 8525), (2750, 7874), (2794, 7750), (3100, 6985), (3175, 6820), (3410, 6350), (3875, 5588), (3937, 5500)]