21087000

素因数分解:

$2^3\times 3^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 256

約数和(自身を含む): 80870400

約数和(自身を除く): 59783400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 27, 30, 33, 36, 40, 44, 45, 50, 54, 55, 60, 66, 71, 72, 75, 88, 90, 99, 100, 108, 110, 120, 125, 132, 135, 142, 150, 165, 180, 198, 200, 213, 216, 220, 225, 250, 264, 270, 275, 284, 297, 300, 330, 355, 360, 375, 396, 426, 440, 450, 495, 500, 540, 550, 568, 594, 600, 639, 660, 675, 710, 750, 781, 792, 825, 852, 900, 990, 1000, 1065, 1080, 1100, 1125, 1188, 1278, 1320, 1350, 1375, 1420, 1485, 1500, 1562, 1650, 1704, 1775, 1800, 1917, 1980, 2130, 2200, 2250, 2343, 2376, 2475, 2556, 2700, 2750, 2840, 2970, 3000, 3124, 3195, 3300, 3375, 3550, 3834, 3905, 3960, 4125, 4260, 4500, 4686, 4950, 5112, 5325, 5400, 5500, 5940, 6248, 6390, 6600, 6750, 7029, 7100, 7425, 7668, 7810, 8250, 8520, 8875, 9000, 9372, 9585, 9900, 10650, 11000, 11715, 11880, 12375, 12780, 13500, 14058, 14200, 14850, 15336, 15620, 15975, 16500, 17750, 18744, 19170, 19525, 19800, 21087, 21300, 23430, 24750, 25560, 26625, 27000, 28116, 29700, 31240, 31950, 33000, 35145, 35500, 37125, 38340, 39050, 42174, 42600, 46860, 47925, 49500, 53250, 56232, 58575, 59400, 63900, 70290, 71000, 74250, 76680, 78100, 79875, 84348, 93720, 95850, 97625, 99000, 105435, 106500, 117150, 127800, 140580, 148500, 156200, 159750, 168696, 175725, 191700, 195250, 210870, 213000, 234300, 239625, 281160, 292875, 297000, 319500, 351450, 383400, 390500, 421740, 468600, 479250, 527175, 585750, 639000, 702900, 781000, 843480, 878625, 958500, 1054350, 1171500, 1405800, 1757250, 1917000, 2108700, 2343000, 2635875, 3514500, 4217400, 5271750, 7029000, 10543500, 21087000]

約数ペア:

[(1, 21087000), (2, 10543500), (3, 7029000), (4, 5271750), (5, 4217400), (6, 3514500), (8, 2635875), (9, 2343000), (10, 2108700), (11, 1917000), (12, 1757250), (15, 1405800), (18, 1171500), (20, 1054350), (22, 958500), (24, 878625), (25, 843480), (27, 781000), (30, 702900), (33, 639000), (36, 585750), (40, 527175), (44, 479250), (45, 468600), (50, 421740), (54, 390500), (55, 383400), (60, 351450), (66, 319500), (71, 297000), (72, 292875), (75, 281160), (88, 239625), (90, 234300), (99, 213000), (100, 210870), (108, 195250), (110, 191700), (120, 175725), (125, 168696), (132, 159750), (135, 156200), (142, 148500), (150, 140580), (165, 127800), (180, 117150), (198, 106500), (200, 105435), (213, 99000), (216, 97625), (220, 95850), (225, 93720), (250, 84348), (264, 79875), (270, 78100), (275, 76680), (284, 74250), (297, 71000), (300, 70290), (330, 63900), (355, 59400), (360, 58575), (375, 56232), (396, 53250), (426, 49500), (440, 47925), (450, 46860), (495, 42600), (500, 42174), (540, 39050), (550, 38340), (568, 37125), (594, 35500), (600, 35145), (639, 33000), (660, 31950), (675, 31240), (710, 29700), (750, 28116), (781, 27000), (792, 26625), (825, 25560), (852, 24750), (900, 23430), (990, 21300), (1000, 21087), (1065, 19800), (1080, 19525), (1100, 19170), (1125, 18744), (1188, 17750), (1278, 16500), (1320, 15975), (1350, 15620), (1375, 15336), (1420, 14850), (1485, 14200), (1500, 14058), (1562, 13500), (1650, 12780), (1704, 12375), (1775, 11880), (1800, 11715), (1917, 11000), (1980, 10650), (2130, 9900), (2200, 9585), (2250, 9372), (2343, 9000), (2376, 8875), (2475, 8520), (2556, 8250), (2700, 7810), (2750, 7668), (2840, 7425), (2970, 7100), (3000, 7029), (3124, 6750), (3195, 6600), (3300, 6390), (3375, 6248), (3550, 5940), (3834, 5500), (3905, 5400), (3960, 5325), (4125, 5112), (4260, 4950), (4500, 4686)]