21682500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^2\times {\mathrm{59}}^1$

素因数の和:100

約数の個数: 180

約数和(自身を含む): 74788560

約数和(自身を除く): 53106060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 59, 60, 70, 75, 84, 98, 100, 105, 118, 125, 140, 147, 150, 175, 177, 196, 210, 236, 245, 250, 294, 295, 300, 350, 354, 375, 413, 420, 490, 500, 525, 588, 590, 625, 700, 708, 735, 750, 826, 875, 885, 980, 1050, 1180, 1225, 1239, 1250, 1470, 1475, 1500, 1652, 1750, 1770, 1875, 2065, 2100, 2450, 2478, 2500, 2625, 2891, 2940, 2950, 3500, 3540, 3675, 3750, 4130, 4375, 4425, 4900, 4956, 5250, 5782, 5900, 6125, 6195, 7350, 7375, 7500, 8260, 8673, 8750, 8850, 10325, 10500, 11564, 12250, 12390, 13125, 14455, 14700, 14750, 17346, 17500, 17700, 18375, 20650, 22125, 24500, 24780, 26250, 28910, 29500, 30625, 30975, 34692, 36750, 36875, 41300, 43365, 44250, 51625, 52500, 57820, 61250, 61950, 72275, 73500, 73750, 86730, 88500, 91875, 103250, 110625, 122500, 123900, 144550, 147500, 154875, 173460, 183750, 206500, 216825, 221250, 258125, 289100, 309750, 361375, 367500, 433650, 442500, 516250, 619500, 722750, 774375, 867300, 1032500, 1084125, 1445500, 1548750, 1806875, 2168250, 3097500, 3613750, 4336500, 5420625, 7227500, 10841250, 21682500]

約数ペア:

[(1, 21682500), (2, 10841250), (3, 7227500), (4, 5420625), (5, 4336500), (6, 3613750), (7, 3097500), (10, 2168250), (12, 1806875), (14, 1548750), (15, 1445500), (20, 1084125), (21, 1032500), (25, 867300), (28, 774375), (30, 722750), (35, 619500), (42, 516250), (49, 442500), (50, 433650), (59, 367500), (60, 361375), (70, 309750), (75, 289100), (84, 258125), (98, 221250), (100, 216825), (105, 206500), (118, 183750), (125, 173460), (140, 154875), (147, 147500), (150, 144550), (175, 123900), (177, 122500), (196, 110625), (210, 103250), (236, 91875), (245, 88500), (250, 86730), (294, 73750), (295, 73500), (300, 72275), (350, 61950), (354, 61250), (375, 57820), (413, 52500), (420, 51625), (490, 44250), (500, 43365), (525, 41300), (588, 36875), (590, 36750), (625, 34692), (700, 30975), (708, 30625), (735, 29500), (750, 28910), (826, 26250), (875, 24780), (885, 24500), (980, 22125), (1050, 20650), (1180, 18375), (1225, 17700), (1239, 17500), (1250, 17346), (1470, 14750), (1475, 14700), (1500, 14455), (1652, 13125), (1750, 12390), (1770, 12250), (1875, 11564), (2065, 10500), (2100, 10325), (2450, 8850), (2478, 8750), (2500, 8673), (2625, 8260), (2891, 7500), (2940, 7375), (2950, 7350), (3500, 6195), (3540, 6125), (3675, 5900), (3750, 5782), (4130, 5250), (4375, 4956), (4425, 4900)]