21285588500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1811}}^1\times {\mathrm{2137}}^1$

素因数の和:3978

約数の個数: 96

約数和(自身を含む): 50765629824

約数和(自身を除く): 29480041324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 1811, 2137, 2750, 3622, 4274, 5500, 7244, 8548, 9055, 10685, 18110, 19921, 21370, 23507, 36220, 39842, 42740, 45275, 47014, 53425, 79684, 90550, 94028, 99605, 106850, 117535, 181100, 199210, 213700, 226375, 235070, 267125, 398420, 452750, 470140, 498025, 534250, 587675, 905500, 996050, 1068500, 1175350, 1992100, 2350700, 2490125, 2938375, 3870107, 4980250, 5876750, 7740214, 9960500, 11753500, 15480428, 19350535, 38701070, 42571177, 77402140, 85142354, 96752675, 170284708, 193505350, 212855885, 387010700, 425711770, 483763375, 851423540, 967526750, 1064279425, 1935053500, 2128558850, 4257117700, 5321397125, 10642794250, 21285588500]

約数ペア:

[(1, 21285588500), (2, 10642794250), (4, 5321397125), (5, 4257117700), (10, 2128558850), (11, 1935053500), (20, 1064279425), (22, 967526750), (25, 851423540), (44, 483763375), (50, 425711770), (55, 387010700), (100, 212855885), (110, 193505350), (125, 170284708), (220, 96752675), (250, 85142354), (275, 77402140), (500, 42571177), (550, 38701070), (1100, 19350535), (1375, 15480428), (1811, 11753500), (2137, 9960500), (2750, 7740214), (3622, 5876750), (4274, 4980250), (5500, 3870107), (7244, 2938375), (8548, 2490125), (9055, 2350700), (10685, 1992100), (18110, 1175350), (19921, 1068500), (21370, 996050), (23507, 905500), (36220, 587675), (39842, 534250), (42740, 498025), (45275, 470140), (47014, 452750), (53425, 398420), (79684, 267125), (90550, 235070), (94028, 226375), (99605, 213700), (106850, 199210), (117535, 181100)]