21282030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 192

約数和(自身を含む): 71705088

約数和(自身を除く): 50423058

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 37, 42, 45, 55, 63, 66, 70, 74, 77, 83, 90, 99, 105, 110, 111, 126, 154, 165, 166, 185, 198, 210, 222, 231, 249, 259, 315, 330, 333, 370, 385, 407, 415, 462, 495, 498, 518, 555, 581, 630, 666, 693, 747, 770, 777, 814, 830, 913, 990, 1110, 1155, 1162, 1221, 1245, 1295, 1386, 1494, 1554, 1665, 1743, 1826, 2035, 2310, 2331, 2442, 2490, 2590, 2739, 2849, 2905, 3071, 3330, 3465, 3486, 3663, 3735, 3885, 4070, 4565, 4662, 5229, 5478, 5698, 5810, 6105, 6142, 6391, 6930, 7326, 7470, 7770, 8217, 8547, 8715, 9130, 9213, 10458, 11655, 12210, 12782, 13695, 14245, 15355, 16434, 17094, 17430, 18315, 18426, 19173, 21497, 23310, 25641, 26145, 27390, 27639, 28490, 30710, 31955, 33781, 36630, 38346, 41085, 42735, 42994, 46065, 51282, 52290, 55278, 57519, 63910, 64491, 67562, 82170, 85470, 92130, 95865, 101343, 107485, 115038, 128205, 128982, 138195, 168905, 191730, 193473, 202686, 214970, 236467, 256410, 276390, 287595, 304029, 322455, 337810, 386946, 472934, 506715, 575190, 608058, 644910, 709401, 967365, 1013430, 1182335, 1418802, 1520145, 1934730, 2128203, 2364670, 3040290, 3547005, 4256406, 7094010, 10641015, 21282030]

約数ペア:

[(1, 21282030), (2, 10641015), (3, 7094010), (5, 4256406), (6, 3547005), (7, 3040290), (9, 2364670), (10, 2128203), (11, 1934730), (14, 1520145), (15, 1418802), (18, 1182335), (21, 1013430), (22, 967365), (30, 709401), (33, 644910), (35, 608058), (37, 575190), (42, 506715), (45, 472934), (55, 386946), (63, 337810), (66, 322455), (70, 304029), (74, 287595), (77, 276390), (83, 256410), (90, 236467), (99, 214970), (105, 202686), (110, 193473), (111, 191730), (126, 168905), (154, 138195), (165, 128982), (166, 128205), (185, 115038), (198, 107485), (210, 101343), (222, 95865), (231, 92130), (249, 85470), (259, 82170), (315, 67562), (330, 64491), (333, 63910), (370, 57519), (385, 55278), (407, 52290), (415, 51282), (462, 46065), (495, 42994), (498, 42735), (518, 41085), (555, 38346), (581, 36630), (630, 33781), (666, 31955), (693, 30710), (747, 28490), (770, 27639), (777, 27390), (814, 26145), (830, 25641), (913, 23310), (990, 21497), (1110, 19173), (1155, 18426), (1162, 18315), (1221, 17430), (1245, 17094), (1295, 16434), (1386, 15355), (1494, 14245), (1554, 13695), (1665, 12782), (1743, 12210), (1826, 11655), (2035, 10458), (2310, 9213), (2331, 9130), (2442, 8715), (2490, 8547), (2590, 8217), (2739, 7770), (2849, 7470), (2905, 7326), (3071, 6930), (3330, 6391), (3465, 6142), (3486, 6105), (3663, 5810), (3735, 5698), (3885, 5478), (4070, 5229), (4565, 4662)]