21678300

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 288

約数和(自身を含む): 84439040

約数和(自身を除く): 62760740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 31, 35, 36, 37, 42, 45, 50, 54, 60, 62, 63, 70, 74, 75, 84, 90, 93, 100, 105, 108, 111, 124, 126, 135, 140, 148, 150, 155, 175, 180, 185, 186, 189, 210, 217, 222, 225, 252, 259, 270, 279, 300, 310, 315, 333, 350, 370, 372, 378, 420, 434, 444, 450, 465, 518, 525, 540, 555, 558, 620, 630, 651, 666, 675, 700, 740, 756, 775, 777, 837, 868, 900, 925, 930, 945, 999, 1036, 1050, 1085, 1110, 1116, 1147, 1260, 1295, 1302, 1332, 1350, 1395, 1550, 1554, 1575, 1665, 1674, 1850, 1860, 1890, 1953, 1998, 2100, 2170, 2220, 2294, 2325, 2331, 2590, 2604, 2700, 2775, 2790, 3100, 3108, 3150, 3255, 3330, 3348, 3441, 3700, 3780, 3885, 3906, 3996, 4185, 4340, 4588, 4650, 4662, 4725, 4995, 5180, 5425, 5550, 5580, 5735, 5859, 6300, 6475, 6510, 6660, 6882, 6975, 6993, 7770, 7812, 8029, 8325, 8370, 9300, 9324, 9450, 9765, 9990, 10323, 10850, 11100, 11470, 11655, 11718, 12950, 13020, 13764, 13950, 13986, 15540, 16058, 16275, 16650, 16740, 17205, 18900, 19425, 19530, 19980, 20646, 20925, 21700, 22940, 23310, 23436, 24087, 24975, 25900, 27900, 27972, 28675, 29295, 30969, 32116, 32550, 33300, 34410, 34965, 38850, 39060, 40145, 41292, 41850, 46620, 48174, 48825, 49950, 51615, 57350, 58275, 58590, 61938, 65100, 68820, 69930, 72261, 77700, 80290, 83700, 86025, 96348, 97650, 99900, 103230, 114700, 116550, 117180, 120435, 123876, 139860, 144522, 146475, 154845, 160580, 172050, 174825, 195300, 200725, 206460, 216783, 233100, 240870, 258075, 289044, 292950, 309690, 344100, 349650, 361305, 401450, 433566, 481740, 516150, 585900, 602175, 619380, 699300, 722610, 774225, 802900, 867132, 1032300, 1083915, 1204350, 1445220, 1548450, 1806525, 2167830, 2408700, 3096900, 3613050, 4335660, 5419575, 7226100, 10839150, 21678300]

約数ペア:

[(1, 21678300), (2, 10839150), (3, 7226100), (4, 5419575), (5, 4335660), (6, 3613050), (7, 3096900), (9, 2408700), (10, 2167830), (12, 1806525), (14, 1548450), (15, 1445220), (18, 1204350), (20, 1083915), (21, 1032300), (25, 867132), (27, 802900), (28, 774225), (30, 722610), (31, 699300), (35, 619380), (36, 602175), (37, 585900), (42, 516150), (45, 481740), (50, 433566), (54, 401450), (60, 361305), (62, 349650), (63, 344100), (70, 309690), (74, 292950), (75, 289044), (84, 258075), (90, 240870), (93, 233100), (100, 216783), (105, 206460), (108, 200725), (111, 195300), (124, 174825), (126, 172050), (135, 160580), (140, 154845), (148, 146475), (150, 144522), (155, 139860), (175, 123876), (180, 120435), (185, 117180), (186, 116550), (189, 114700), (210, 103230), (217, 99900), (222, 97650), (225, 96348), (252, 86025), (259, 83700), (270, 80290), (279, 77700), (300, 72261), (310, 69930), (315, 68820), (333, 65100), (350, 61938), (370, 58590), (372, 58275), (378, 57350), (420, 51615), (434, 49950), (444, 48825), (450, 48174), (465, 46620), (518, 41850), (525, 41292), (540, 40145), (555, 39060), (558, 38850), (620, 34965), (630, 34410), (651, 33300), (666, 32550), (675, 32116), (700, 30969), (740, 29295), (756, 28675), (775, 27972), (777, 27900), (837, 25900), (868, 24975), (900, 24087), (925, 23436), (930, 23310), (945, 22940), (999, 21700), (1036, 20925), (1050, 20646), (1085, 19980), (1110, 19530), (1116, 19425), (1147, 18900), (1260, 17205), (1295, 16740), (1302, 16650), (1332, 16275), (1350, 16058), (1395, 15540), (1550, 13986), (1554, 13950), (1575, 13764), (1665, 13020), (1674, 12950), (1850, 11718), (1860, 11655), (1890, 11470), (1953, 11100), (1998, 10850), (2100, 10323), (2170, 9990), (2220, 9765), (2294, 9450), (2325, 9324), (2331, 9300), (2590, 8370), (2604, 8325), (2700, 8029), (2775, 7812), (2790, 7770), (3100, 6993), (3108, 6975), (3150, 6882), (3255, 6660), (3330, 6510), (3348, 6475), (3441, 6300), (3700, 5859), (3780, 5735), (3885, 5580), (3906, 5550), (3996, 5425), (4185, 5180), (4340, 4995), (4588, 4725), (4650, 4662)]