21256200

素因数分解:

$2^3\times 3^2\times 5^2\times 7^2\times {\mathrm{241}}^1$

素因数の和:277

約数の個数: 216

約数和(自身を含む): 83384730

約数和(自身を除く): 62128530

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 49, 50, 56, 60, 63, 70, 72, 75, 84, 90, 98, 100, 105, 120, 126, 140, 147, 150, 168, 175, 180, 196, 200, 210, 225, 241, 245, 252, 280, 294, 300, 315, 350, 360, 392, 420, 441, 450, 482, 490, 504, 525, 588, 600, 630, 700, 723, 735, 840, 882, 900, 964, 980, 1050, 1176, 1205, 1225, 1260, 1400, 1446, 1470, 1575, 1687, 1764, 1800, 1928, 1960, 2100, 2169, 2205, 2410, 2450, 2520, 2892, 2940, 3150, 3374, 3528, 3615, 3675, 4200, 4338, 4410, 4820, 4900, 5061, 5784, 5880, 6025, 6300, 6748, 7230, 7350, 8435, 8676, 8820, 9640, 9800, 10122, 10845, 11025, 11809, 12050, 12600, 13496, 14460, 14700, 15183, 16870, 17352, 17640, 18075, 20244, 21690, 22050, 23618, 24100, 25305, 28920, 29400, 30366, 33740, 35427, 36150, 40488, 42175, 43380, 44100, 47236, 48200, 50610, 54225, 59045, 60732, 67480, 70854, 72300, 75915, 84350, 86760, 88200, 94472, 101220, 106281, 108450, 118090, 121464, 126525, 141708, 144600, 151830, 168700, 177135, 202440, 212562, 216900, 236180, 253050, 283416, 295225, 303660, 337400, 354270, 379575, 425124, 433800, 472360, 506100, 531405, 590450, 607320, 708540, 759150, 850248, 885675, 1012200, 1062810, 1180900, 1417080, 1518300, 1771350, 2125620, 2361800, 2657025, 3036600, 3542700, 4251240, 5314050, 7085400, 10628100, 21256200]

約数ペア:

[(1, 21256200), (2, 10628100), (3, 7085400), (4, 5314050), (5, 4251240), (6, 3542700), (7, 3036600), (8, 2657025), (9, 2361800), (10, 2125620), (12, 1771350), (14, 1518300), (15, 1417080), (18, 1180900), (20, 1062810), (21, 1012200), (24, 885675), (25, 850248), (28, 759150), (30, 708540), (35, 607320), (36, 590450), (40, 531405), (42, 506100), (45, 472360), (49, 433800), (50, 425124), (56, 379575), (60, 354270), (63, 337400), (70, 303660), (72, 295225), (75, 283416), (84, 253050), (90, 236180), (98, 216900), (100, 212562), (105, 202440), (120, 177135), (126, 168700), (140, 151830), (147, 144600), (150, 141708), (168, 126525), (175, 121464), (180, 118090), (196, 108450), (200, 106281), (210, 101220), (225, 94472), (241, 88200), (245, 86760), (252, 84350), (280, 75915), (294, 72300), (300, 70854), (315, 67480), (350, 60732), (360, 59045), (392, 54225), (420, 50610), (441, 48200), (450, 47236), (482, 44100), (490, 43380), (504, 42175), (525, 40488), (588, 36150), (600, 35427), (630, 33740), (700, 30366), (723, 29400), (735, 28920), (840, 25305), (882, 24100), (900, 23618), (964, 22050), (980, 21690), (1050, 20244), (1176, 18075), (1205, 17640), (1225, 17352), (1260, 16870), (1400, 15183), (1446, 14700), (1470, 14460), (1575, 13496), (1687, 12600), (1764, 12050), (1800, 11809), (1928, 11025), (1960, 10845), (2100, 10122), (2169, 9800), (2205, 9640), (2410, 8820), (2450, 8676), (2520, 8435), (2892, 7350), (2940, 7230), (3150, 6748), (3374, 6300), (3528, 6025), (3615, 5880), (3675, 5784), (4200, 5061), (4338, 4900), (4410, 4820)]