21075600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:234

約数の個数: 240

約数和(自身を含む): 83522432

約数和(自身を除く): 62446832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 100, 104, 105, 112, 120, 130, 140, 150, 156, 168, 175, 182, 193, 195, 200, 208, 210, 240, 260, 273, 280, 300, 312, 325, 336, 350, 364, 386, 390, 400, 420, 455, 520, 525, 546, 560, 579, 600, 624, 650, 700, 728, 772, 780, 840, 910, 965, 975, 1040, 1050, 1092, 1158, 1200, 1300, 1351, 1365, 1400, 1456, 1544, 1560, 1680, 1820, 1930, 1950, 2100, 2184, 2275, 2316, 2509, 2600, 2702, 2730, 2800, 2895, 3088, 3120, 3640, 3860, 3900, 4053, 4200, 4368, 4550, 4632, 4825, 5018, 5200, 5404, 5460, 5790, 6755, 6825, 7280, 7527, 7720, 7800, 8106, 8400, 9100, 9264, 9650, 10036, 10808, 10920, 11580, 12545, 13510, 13650, 14475, 15054, 15440, 15600, 16212, 17563, 18200, 19300, 20072, 20265, 21616, 21840, 23160, 25090, 27020, 27300, 28950, 30108, 32424, 33775, 35126, 36400, 37635, 38600, 40144, 40530, 46320, 50180, 52689, 54040, 54600, 57900, 60216, 62725, 64848, 67550, 70252, 75270, 77200, 81060, 87815, 100360, 101325, 105378, 108080, 109200, 115800, 120432, 125450, 135100, 140504, 150540, 162120, 175630, 188175, 200720, 202650, 210756, 231600, 250900, 263445, 270200, 281008, 301080, 324240, 351260, 376350, 405300, 421512, 439075, 501800, 526890, 540400, 602160, 702520, 752700, 810600, 843024, 878150, 1003600, 1053780, 1317225, 1405040, 1505400, 1621200, 1756300, 2107560, 2634450, 3010800, 3512600, 4215120, 5268900, 7025200, 10537800, 21075600]

約数ペア:

[(1, 21075600), (2, 10537800), (3, 7025200), (4, 5268900), (5, 4215120), (6, 3512600), (7, 3010800), (8, 2634450), (10, 2107560), (12, 1756300), (13, 1621200), (14, 1505400), (15, 1405040), (16, 1317225), (20, 1053780), (21, 1003600), (24, 878150), (25, 843024), (26, 810600), (28, 752700), (30, 702520), (35, 602160), (39, 540400), (40, 526890), (42, 501800), (48, 439075), (50, 421512), (52, 405300), (56, 376350), (60, 351260), (65, 324240), (70, 301080), (75, 281008), (78, 270200), (80, 263445), (84, 250900), (91, 231600), (100, 210756), (104, 202650), (105, 200720), (112, 188175), (120, 175630), (130, 162120), (140, 150540), (150, 140504), (156, 135100), (168, 125450), (175, 120432), (182, 115800), (193, 109200), (195, 108080), (200, 105378), (208, 101325), (210, 100360), (240, 87815), (260, 81060), (273, 77200), (280, 75270), (300, 70252), (312, 67550), (325, 64848), (336, 62725), (350, 60216), (364, 57900), (386, 54600), (390, 54040), (400, 52689), (420, 50180), (455, 46320), (520, 40530), (525, 40144), (546, 38600), (560, 37635), (579, 36400), (600, 35126), (624, 33775), (650, 32424), (700, 30108), (728, 28950), (772, 27300), (780, 27020), (840, 25090), (910, 23160), (965, 21840), (975, 21616), (1040, 20265), (1050, 20072), (1092, 19300), (1158, 18200), (1200, 17563), (1300, 16212), (1351, 15600), (1365, 15440), (1400, 15054), (1456, 14475), (1544, 13650), (1560, 13510), (1680, 12545), (1820, 11580), (1930, 10920), (1950, 10808), (2100, 10036), (2184, 9650), (2275, 9264), (2316, 9100), (2509, 8400), (2600, 8106), (2702, 7800), (2730, 7720), (2800, 7527), (2895, 7280), (3088, 6825), (3120, 6755), (3640, 5790), (3860, 5460), (3900, 5404), (4053, 5200), (4200, 5018), (4368, 4825), (4550, 4632)]