21213500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 192

約数和(自身を含む): 62899200

約数和(自身を除く): 41685700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 25, 28, 29, 35, 38, 44, 50, 55, 58, 70, 76, 77, 95, 100, 110, 116, 125, 133, 140, 145, 154, 175, 190, 203, 209, 220, 250, 266, 275, 290, 308, 319, 350, 380, 385, 406, 418, 475, 500, 532, 550, 551, 580, 638, 665, 700, 725, 770, 812, 836, 875, 950, 1015, 1045, 1100, 1102, 1276, 1330, 1375, 1450, 1463, 1540, 1595, 1750, 1900, 1925, 2030, 2090, 2204, 2233, 2375, 2660, 2750, 2755, 2900, 2926, 3190, 3325, 3500, 3625, 3850, 3857, 4060, 4180, 4466, 4750, 5075, 5225, 5500, 5510, 5852, 6061, 6380, 6650, 7250, 7315, 7700, 7714, 7975, 8932, 9500, 9625, 10150, 10450, 11020, 11165, 12122, 13300, 13775, 14500, 14630, 15428, 15950, 16625, 19250, 19285, 20300, 20900, 22330, 24244, 25375, 26125, 27550, 29260, 30305, 31900, 33250, 36575, 38500, 38570, 39875, 42427, 44660, 50750, 52250, 55100, 55825, 60610, 66500, 68875, 73150, 77140, 79750, 84854, 96425, 101500, 104500, 111650, 121220, 137750, 146300, 151525, 159500, 169708, 182875, 192850, 212135, 223300, 275500, 279125, 303050, 365750, 385700, 424270, 482125, 558250, 606100, 731500, 757625, 848540, 964250, 1060675, 1116500, 1515250, 1928500, 2121350, 3030500, 4242700, 5303375, 10606750, 21213500]

約数ペア:

[(1, 21213500), (2, 10606750), (4, 5303375), (5, 4242700), (7, 3030500), (10, 2121350), (11, 1928500), (14, 1515250), (19, 1116500), (20, 1060675), (22, 964250), (25, 848540), (28, 757625), (29, 731500), (35, 606100), (38, 558250), (44, 482125), (50, 424270), (55, 385700), (58, 365750), (70, 303050), (76, 279125), (77, 275500), (95, 223300), (100, 212135), (110, 192850), (116, 182875), (125, 169708), (133, 159500), (140, 151525), (145, 146300), (154, 137750), (175, 121220), (190, 111650), (203, 104500), (209, 101500), (220, 96425), (250, 84854), (266, 79750), (275, 77140), (290, 73150), (308, 68875), (319, 66500), (350, 60610), (380, 55825), (385, 55100), (406, 52250), (418, 50750), (475, 44660), (500, 42427), (532, 39875), (550, 38570), (551, 38500), (580, 36575), (638, 33250), (665, 31900), (700, 30305), (725, 29260), (770, 27550), (812, 26125), (836, 25375), (875, 24244), (950, 22330), (1015, 20900), (1045, 20300), (1100, 19285), (1102, 19250), (1276, 16625), (1330, 15950), (1375, 15428), (1450, 14630), (1463, 14500), (1540, 13775), (1595, 13300), (1750, 12122), (1900, 11165), (1925, 11020), (2030, 10450), (2090, 10150), (2204, 9625), (2233, 9500), (2375, 8932), (2660, 7975), (2750, 7714), (2755, 7700), (2900, 7315), (2926, 7250), (3190, 6650), (3325, 6380), (3500, 6061), (3625, 5852), (3850, 5510), (3857, 5500), (4060, 5225), (4180, 5075), (4466, 4750)]