21124950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 68567040

約数和(自身を除く): 47442090

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 31, 33, 35, 42, 50, 55, 59, 62, 66, 70, 75, 77, 93, 105, 110, 118, 150, 154, 155, 165, 175, 177, 186, 210, 217, 231, 275, 295, 310, 330, 341, 350, 354, 385, 413, 434, 462, 465, 525, 550, 590, 649, 651, 682, 770, 775, 825, 826, 885, 930, 1023, 1050, 1085, 1155, 1239, 1298, 1302, 1475, 1550, 1650, 1705, 1770, 1829, 1925, 1947, 2046, 2065, 2170, 2310, 2325, 2387, 2478, 2950, 3245, 3255, 3410, 3658, 3850, 3894, 4130, 4425, 4543, 4650, 4774, 5115, 5425, 5487, 5775, 6195, 6490, 6510, 7161, 8525, 8850, 9086, 9145, 9735, 10230, 10325, 10850, 10974, 11550, 11935, 12390, 12803, 13629, 14322, 16225, 16275, 17050, 18290, 19470, 20119, 20650, 22715, 23870, 25575, 25606, 27258, 27435, 30975, 32450, 32550, 35805, 38409, 40238, 45430, 45725, 48675, 51150, 54870, 59675, 60357, 61950, 64015, 68145, 71610, 76818, 91450, 97350, 100595, 113575, 119350, 120714, 128030, 136290, 137175, 140833, 179025, 192045, 201190, 227150, 274350, 281666, 301785, 320075, 340725, 358050, 384090, 422499, 502975, 603570, 640150, 681450, 704165, 844998, 960225, 1005950, 1408330, 1508925, 1920450, 2112495, 3017850, 3520825, 4224990, 7041650, 10562475, 21124950]

約数ペア:

[(1, 21124950), (2, 10562475), (3, 7041650), (5, 4224990), (6, 3520825), (7, 3017850), (10, 2112495), (11, 1920450), (14, 1508925), (15, 1408330), (21, 1005950), (22, 960225), (25, 844998), (30, 704165), (31, 681450), (33, 640150), (35, 603570), (42, 502975), (50, 422499), (55, 384090), (59, 358050), (62, 340725), (66, 320075), (70, 301785), (75, 281666), (77, 274350), (93, 227150), (105, 201190), (110, 192045), (118, 179025), (150, 140833), (154, 137175), (155, 136290), (165, 128030), (175, 120714), (177, 119350), (186, 113575), (210, 100595), (217, 97350), (231, 91450), (275, 76818), (295, 71610), (310, 68145), (330, 64015), (341, 61950), (350, 60357), (354, 59675), (385, 54870), (413, 51150), (434, 48675), (462, 45725), (465, 45430), (525, 40238), (550, 38409), (590, 35805), (649, 32550), (651, 32450), (682, 30975), (770, 27435), (775, 27258), (825, 25606), (826, 25575), (885, 23870), (930, 22715), (1023, 20650), (1050, 20119), (1085, 19470), (1155, 18290), (1239, 17050), (1298, 16275), (1302, 16225), (1475, 14322), (1550, 13629), (1650, 12803), (1705, 12390), (1770, 11935), (1829, 11550), (1925, 10974), (1947, 10850), (2046, 10325), (2065, 10230), (2170, 9735), (2310, 9145), (2325, 9086), (2387, 8850), (2478, 8525), (2950, 7161), (3245, 6510), (3255, 6490), (3410, 6195), (3658, 5775), (3850, 5487), (3894, 5425), (4130, 5115), (4425, 4774), (4543, 4650)]