21132300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 72495360

約数和(自身を除く): 51363060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 50, 58, 60, 70, 75, 84, 87, 100, 105, 116, 140, 145, 150, 174, 175, 203, 210, 290, 300, 347, 348, 350, 406, 420, 435, 525, 580, 609, 694, 700, 725, 812, 870, 1015, 1041, 1050, 1218, 1388, 1450, 1735, 1740, 2030, 2082, 2100, 2175, 2429, 2436, 2900, 3045, 3470, 4060, 4164, 4350, 4858, 5075, 5205, 6090, 6940, 7287, 8675, 8700, 9716, 10063, 10150, 10410, 12145, 12180, 14574, 15225, 17350, 20126, 20300, 20820, 24290, 26025, 29148, 30189, 30450, 34700, 36435, 40252, 48580, 50315, 52050, 60378, 60725, 60900, 70441, 72870, 100630, 104100, 120756, 121450, 140882, 145740, 150945, 182175, 201260, 211323, 242900, 251575, 281764, 301890, 352205, 364350, 422646, 503150, 603780, 704410, 728700, 754725, 845292, 1006300, 1056615, 1408820, 1509450, 1761025, 2113230, 3018900, 3522050, 4226460, 5283075, 7044100, 10566150, 21132300]

約数ペア:

[(1, 21132300), (2, 10566150), (3, 7044100), (4, 5283075), (5, 4226460), (6, 3522050), (7, 3018900), (10, 2113230), (12, 1761025), (14, 1509450), (15, 1408820), (20, 1056615), (21, 1006300), (25, 845292), (28, 754725), (29, 728700), (30, 704410), (35, 603780), (42, 503150), (50, 422646), (58, 364350), (60, 352205), (70, 301890), (75, 281764), (84, 251575), (87, 242900), (100, 211323), (105, 201260), (116, 182175), (140, 150945), (145, 145740), (150, 140882), (174, 121450), (175, 120756), (203, 104100), (210, 100630), (290, 72870), (300, 70441), (347, 60900), (348, 60725), (350, 60378), (406, 52050), (420, 50315), (435, 48580), (525, 40252), (580, 36435), (609, 34700), (694, 30450), (700, 30189), (725, 29148), (812, 26025), (870, 24290), (1015, 20820), (1041, 20300), (1050, 20126), (1218, 17350), (1388, 15225), (1450, 14574), (1735, 12180), (1740, 12145), (2030, 10410), (2082, 10150), (2100, 10063), (2175, 9716), (2429, 8700), (2436, 8675), (2900, 7287), (3045, 6940), (3470, 6090), (4060, 5205), (4164, 5075), (4350, 4858)]