21987000

素因数分解:

$2^3\times 3^2\times 5^3\times 7^1\times {\mathrm{349}}^1$

素因数の和:383

約数の個数: 192

約数和(自身を含む): 85176000

約数和(自身を除く): 63189000

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, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 125, 126, 140, 150, 168, 175, 180, 200, 210, 225, 250, 252, 280, 300, 315, 349, 350, 360, 375, 420, 450, 500, 504, 525, 600, 630, 698, 700, 750, 840, 875, 900, 1000, 1047, 1050, 1125, 1260, 1396, 1400, 1500, 1575, 1745, 1750, 1800, 2094, 2100, 2250, 2443, 2520, 2625, 2792, 3000, 3141, 3150, 3490, 3500, 4188, 4200, 4500, 4886, 5235, 5250, 6282, 6300, 6980, 7000, 7329, 7875, 8376, 8725, 9000, 9772, 10470, 10500, 12215, 12564, 12600, 13960, 14658, 15705, 15750, 17450, 19544, 20940, 21000, 21987, 24430, 25128, 26175, 29316, 31410, 31500, 34900, 36645, 41880, 43625, 43974, 48860, 52350, 58632, 61075, 62820, 63000, 69800, 73290, 78525, 87250, 87948, 97720, 104700, 109935, 122150, 125640, 130875, 146580, 157050, 174500, 175896, 183225, 209400, 219870, 244300, 261750, 293160, 305375, 314100, 349000, 366450, 392625, 439740, 488600, 523500, 549675, 610750, 628200, 732900, 785250, 879480, 916125, 1047000, 1099350, 1221500, 1465800, 1570500, 1832250, 2198700, 2443000, 2748375, 3141000, 3664500, 4397400, 5496750, 7329000, 10993500, 21987000]

約数ペア:

[(1, 21987000), (2, 10993500), (3, 7329000), (4, 5496750), (5, 4397400), (6, 3664500), (7, 3141000), (8, 2748375), (9, 2443000), (10, 2198700), (12, 1832250), (14, 1570500), (15, 1465800), (18, 1221500), (20, 1099350), (21, 1047000), (24, 916125), (25, 879480), (28, 785250), (30, 732900), (35, 628200), (36, 610750), (40, 549675), (42, 523500), (45, 488600), (50, 439740), (56, 392625), (60, 366450), (63, 349000), (70, 314100), (72, 305375), (75, 293160), (84, 261750), (90, 244300), (100, 219870), (105, 209400), (120, 183225), (125, 175896), (126, 174500), (140, 157050), (150, 146580), (168, 130875), (175, 125640), (180, 122150), (200, 109935), (210, 104700), (225, 97720), (250, 87948), (252, 87250), (280, 78525), (300, 73290), (315, 69800), (349, 63000), (350, 62820), (360, 61075), (375, 58632), (420, 52350), (450, 48860), (500, 43974), (504, 43625), (525, 41880), (600, 36645), (630, 34900), (698, 31500), (700, 31410), (750, 29316), (840, 26175), (875, 25128), (900, 24430), (1000, 21987), (1047, 21000), (1050, 20940), (1125, 19544), (1260, 17450), (1396, 15750), (1400, 15705), (1500, 14658), (1575, 13960), (1745, 12600), (1750, 12564), (1800, 12215), (2094, 10500), (2100, 10470), (2250, 9772), (2443, 9000), (2520, 8725), (2625, 8376), (2792, 7875), (3000, 7329), (3141, 7000), (3150, 6980), (3490, 6300), (3500, 6282), (4188, 5250), (4200, 5235), (4500, 4886)]