21021000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:62

約数の個数: 384

約数和(自身を含む): 89631360

約数和(自身を除く): 68610360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 25, 26, 28, 30, 33, 35, 39, 40, 42, 44, 49, 50, 52, 55, 56, 60, 65, 66, 70, 75, 77, 78, 84, 88, 91, 98, 100, 104, 105, 110, 120, 125, 130, 132, 140, 143, 147, 150, 154, 156, 165, 168, 175, 182, 195, 196, 200, 210, 220, 231, 245, 250, 260, 264, 273, 275, 280, 286, 294, 300, 308, 312, 325, 330, 350, 364, 375, 385, 390, 392, 420, 429, 440, 455, 462, 490, 500, 520, 525, 539, 546, 550, 572, 588, 600, 616, 637, 650, 660, 700, 715, 728, 735, 750, 770, 780, 825, 840, 858, 875, 910, 924, 975, 980, 1000, 1001, 1050, 1078, 1092, 1100, 1144, 1155, 1176, 1225, 1274, 1300, 1320, 1365, 1375, 1400, 1430, 1470, 1500, 1540, 1560, 1617, 1625, 1650, 1716, 1750, 1820, 1848, 1911, 1925, 1950, 1960, 2002, 2100, 2145, 2156, 2184, 2200, 2275, 2310, 2450, 2548, 2600, 2625, 2695, 2730, 2750, 2860, 2940, 3000, 3003, 3080, 3185, 3234, 3250, 3300, 3432, 3500, 3575, 3640, 3675, 3822, 3850, 3900, 4004, 4125, 4200, 4290, 4312, 4550, 4620, 4875, 4900, 5005, 5096, 5250, 5390, 5460, 5500, 5720, 5775, 5880, 6006, 6125, 6370, 6468, 6500, 6600, 6825, 7000, 7007, 7150, 7350, 7644, 7700, 7800, 8008, 8085, 8250, 8580, 9100, 9240, 9555, 9625, 9750, 9800, 10010, 10500, 10725, 10780, 10920, 11000, 11375, 11550, 12012, 12250, 12740, 12936, 13000, 13475, 13650, 14014, 14300, 14700, 15015, 15288, 15400, 15925, 16170, 16500, 17160, 17875, 18200, 18375, 19110, 19250, 19500, 20020, 21000, 21021, 21450, 21560, 22750, 23100, 24024, 24500, 25025, 25480, 26950, 27300, 28028, 28600, 28875, 29400, 30030, 31850, 32340, 33000, 34125, 35035, 35750, 36750, 38220, 38500, 39000, 40040, 40425, 42042, 42900, 45500, 46200, 47775, 49000, 50050, 53625, 53900, 54600, 56056, 57750, 60060, 63700, 64680, 67375, 68250, 70070, 71500, 73500, 75075, 76440, 77000, 79625, 80850, 84084, 85800, 91000, 95550, 100100, 105105, 107250, 107800, 115500, 120120, 125125, 127400, 134750, 136500, 140140, 143000, 147000, 150150, 159250, 161700, 168168, 175175, 191100, 200200, 202125, 210210, 214500, 231000, 238875, 250250, 269500, 273000, 280280, 300300, 318500, 323400, 350350, 375375, 382200, 404250, 420420, 429000, 477750, 500500, 525525, 539000, 600600, 637000, 700700, 750750, 808500, 840840, 875875, 955500, 1001000, 1051050, 1401400, 1501500, 1617000, 1751750, 1911000, 2102100, 2627625, 3003000, 3503500, 4204200, 5255250, 7007000, 10510500, 21021000]

約数ペア:

[(1, 21021000), (2, 10510500), (3, 7007000), (4, 5255250), (5, 4204200), (6, 3503500), (7, 3003000), (8, 2627625), (10, 2102100), (11, 1911000), (12, 1751750), (13, 1617000), (14, 1501500), (15, 1401400), (20, 1051050), (21, 1001000), (22, 955500), (24, 875875), (25, 840840), (26, 808500), (28, 750750), (30, 700700), (33, 637000), (35, 600600), (39, 539000), (40, 525525), (42, 500500), (44, 477750), (49, 429000), (50, 420420), (52, 404250), (55, 382200), (56, 375375), (60, 350350), (65, 323400), (66, 318500), (70, 300300), (75, 280280), (77, 273000), (78, 269500), (84, 250250), (88, 238875), (91, 231000), (98, 214500), (100, 210210), (104, 202125), (105, 200200), (110, 191100), (120, 175175), (125, 168168), (130, 161700), (132, 159250), (140, 150150), (143, 147000), (147, 143000), (150, 140140), (154, 136500), (156, 134750), (165, 127400), (168, 125125), (175, 120120), (182, 115500), (195, 107800), (196, 107250), (200, 105105), (210, 100100), (220, 95550), (231, 91000), (245, 85800), (250, 84084), (260, 80850), (264, 79625), (273, 77000), (275, 76440), (280, 75075), (286, 73500), (294, 71500), (300, 70070), (308, 68250), (312, 67375), (325, 64680), (330, 63700), (350, 60060), (364, 57750), (375, 56056), (385, 54600), (390, 53900), (392, 53625), (420, 50050), (429, 49000), (440, 47775), (455, 46200), (462, 45500), (490, 42900), (500, 42042), (520, 40425), (525, 40040), (539, 39000), (546, 38500), (550, 38220), (572, 36750), (588, 35750), (600, 35035), (616, 34125), (637, 33000), (650, 32340), (660, 31850), (700, 30030), (715, 29400), (728, 28875), (735, 28600), (750, 28028), (770, 27300), (780, 26950), (825, 25480), (840, 25025), (858, 24500), (875, 24024), (910, 23100), (924, 22750), (975, 21560), (980, 21450), (1000, 21021), (1001, 21000), (1050, 20020), (1078, 19500), (1092, 19250), (1100, 19110), (1144, 18375), (1155, 18200), (1176, 17875), (1225, 17160), (1274, 16500), (1300, 16170), (1320, 15925), (1365, 15400), (1375, 15288), (1400, 15015), (1430, 14700), (1470, 14300), (1500, 14014), (1540, 13650), (1560, 13475), (1617, 13000), (1625, 12936), (1650, 12740), (1716, 12250), (1750, 12012), (1820, 11550), (1848, 11375), (1911, 11000), (1925, 10920), (1950, 10780), (1960, 10725), (2002, 10500), (2100, 10010), (2145, 9800), (2156, 9750), (2184, 9625), (2200, 9555), (2275, 9240), (2310, 9100), (2450, 8580), (2548, 8250), (2600, 8085), (2625, 8008), (2695, 7800), (2730, 7700), (2750, 7644), (2860, 7350), (2940, 7150), (3000, 7007), (3003, 7000), (3080, 6825), (3185, 6600), (3234, 6500), (3250, 6468), (3300, 6370), (3432, 6125), (3500, 6006), (3575, 5880), (3640, 5775), (3675, 5720), (3822, 5500), (3850, 5460), (3900, 5390), (4004, 5250), (4125, 5096), (4200, 5005), (4290, 4900), (4312, 4875), (4550, 4620)]