21690900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:351

約数の個数: 216

約数和(自身を含む): 85036224

約数和(自身を除く): 63345324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 25, 28, 30, 33, 35, 36, 42, 44, 45, 50, 55, 60, 63, 66, 70, 75, 77, 84, 90, 99, 100, 105, 110, 126, 132, 140, 150, 154, 165, 175, 180, 198, 210, 220, 225, 231, 252, 275, 300, 308, 313, 315, 330, 350, 385, 396, 420, 450, 462, 495, 525, 550, 626, 630, 660, 693, 700, 770, 825, 900, 924, 939, 990, 1050, 1100, 1155, 1252, 1260, 1386, 1540, 1565, 1575, 1650, 1878, 1925, 1980, 2100, 2191, 2310, 2475, 2772, 2817, 3130, 3150, 3300, 3443, 3465, 3756, 3850, 4382, 4620, 4695, 4950, 5634, 5775, 6260, 6300, 6573, 6886, 6930, 7700, 7825, 8764, 9390, 9900, 10329, 10955, 11268, 11550, 13146, 13772, 13860, 14085, 15650, 17215, 17325, 18780, 19719, 20658, 21910, 23100, 23475, 24101, 26292, 28170, 30987, 31300, 32865, 34430, 34650, 39438, 41316, 43820, 46950, 48202, 51645, 54775, 56340, 61974, 65730, 68860, 69300, 70425, 72303, 78876, 86075, 93900, 96404, 98595, 103290, 109550, 120505, 123948, 131460, 140850, 144606, 154935, 164325, 172150, 197190, 206580, 216909, 219100, 241010, 258225, 281700, 289212, 309870, 328650, 344300, 361515, 394380, 433818, 482020, 492975, 516450, 602525, 619740, 657300, 723030, 774675, 867636, 985950, 1032900, 1084545, 1205050, 1446060, 1549350, 1807575, 1971900, 2169090, 2410100, 3098700, 3615150, 4338180, 5422725, 7230300, 10845450, 21690900]

約数ペア:

[(1, 21690900), (2, 10845450), (3, 7230300), (4, 5422725), (5, 4338180), (6, 3615150), (7, 3098700), (9, 2410100), (10, 2169090), (11, 1971900), (12, 1807575), (14, 1549350), (15, 1446060), (18, 1205050), (20, 1084545), (21, 1032900), (22, 985950), (25, 867636), (28, 774675), (30, 723030), (33, 657300), (35, 619740), (36, 602525), (42, 516450), (44, 492975), (45, 482020), (50, 433818), (55, 394380), (60, 361515), (63, 344300), (66, 328650), (70, 309870), (75, 289212), (77, 281700), (84, 258225), (90, 241010), (99, 219100), (100, 216909), (105, 206580), (110, 197190), (126, 172150), (132, 164325), (140, 154935), (150, 144606), (154, 140850), (165, 131460), (175, 123948), (180, 120505), (198, 109550), (210, 103290), (220, 98595), (225, 96404), (231, 93900), (252, 86075), (275, 78876), (300, 72303), (308, 70425), (313, 69300), (315, 68860), (330, 65730), (350, 61974), (385, 56340), (396, 54775), (420, 51645), (450, 48202), (462, 46950), (495, 43820), (525, 41316), (550, 39438), (626, 34650), (630, 34430), (660, 32865), (693, 31300), (700, 30987), (770, 28170), (825, 26292), (900, 24101), (924, 23475), (939, 23100), (990, 21910), (1050, 20658), (1100, 19719), (1155, 18780), (1252, 17325), (1260, 17215), (1386, 15650), (1540, 14085), (1565, 13860), (1575, 13772), (1650, 13146), (1878, 11550), (1925, 11268), (1980, 10955), (2100, 10329), (2191, 9900), (2310, 9390), (2475, 8764), (2772, 7825), (2817, 7700), (3130, 6930), (3150, 6886), (3300, 6573), (3443, 6300), (3465, 6260), (3756, 5775), (3850, 5634), (4382, 4950), (4620, 4695)]