21025620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 288

約数和(自身を含む): 83655936

約数和(自身を除く): 62630316

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 37, 41, 42, 44, 45, 55, 60, 63, 66, 70, 74, 77, 82, 84, 90, 99, 105, 110, 111, 123, 126, 132, 140, 148, 154, 164, 165, 180, 185, 198, 205, 210, 220, 222, 231, 246, 252, 259, 287, 308, 315, 330, 333, 369, 370, 385, 396, 407, 410, 420, 444, 451, 462, 492, 495, 518, 555, 574, 615, 630, 660, 666, 693, 738, 740, 770, 777, 814, 820, 861, 902, 924, 990, 1036, 1110, 1148, 1155, 1221, 1230, 1260, 1295, 1332, 1353, 1386, 1435, 1476, 1517, 1540, 1554, 1628, 1665, 1722, 1804, 1845, 1980, 2035, 2220, 2255, 2310, 2331, 2442, 2460, 2583, 2590, 2706, 2772, 2849, 2870, 3034, 3108, 3157, 3330, 3444, 3465, 3663, 3690, 3885, 4059, 4070, 4305, 4510, 4551, 4620, 4662, 4884, 5166, 5180, 5412, 5698, 5740, 6068, 6105, 6314, 6660, 6765, 6930, 7326, 7380, 7585, 7770, 8118, 8140, 8547, 8610, 9020, 9102, 9324, 9471, 10332, 10619, 11396, 11655, 12210, 12628, 12915, 13530, 13653, 13860, 14245, 14652, 15170, 15540, 15785, 16236, 16687, 17094, 17220, 18204, 18315, 18942, 20295, 21238, 22755, 23310, 24420, 25641, 25830, 27060, 27306, 28413, 28490, 30340, 31570, 31857, 33374, 34188, 36630, 37884, 40590, 42476, 42735, 45510, 46620, 47355, 50061, 51282, 51660, 53095, 54612, 56826, 56980, 63140, 63714, 66748, 68265, 73260, 81180, 83435, 85470, 91020, 94710, 95571, 100122, 102564, 106190, 113652, 116809, 127428, 128205, 136530, 142065, 150183, 159285, 166870, 170940, 189420, 191142, 200244, 212380, 233618, 250305, 256410, 273060, 284130, 300366, 318570, 333740, 350427, 382284, 467236, 477855, 500610, 512820, 568260, 584045, 600732, 637140, 700854, 750915, 955710, 1001220, 1051281, 1168090, 1401708, 1501830, 1752135, 1911420, 2102562, 2336180, 3003660, 3504270, 4205124, 5256405, 7008540, 10512810, 21025620]

約数ペア:

[(1, 21025620), (2, 10512810), (3, 7008540), (4, 5256405), (5, 4205124), (6, 3504270), (7, 3003660), (9, 2336180), (10, 2102562), (11, 1911420), (12, 1752135), (14, 1501830), (15, 1401708), (18, 1168090), (20, 1051281), (21, 1001220), (22, 955710), (28, 750915), (30, 700854), (33, 637140), (35, 600732), (36, 584045), (37, 568260), (41, 512820), (42, 500610), (44, 477855), (45, 467236), (55, 382284), (60, 350427), (63, 333740), (66, 318570), (70, 300366), (74, 284130), (77, 273060), (82, 256410), (84, 250305), (90, 233618), (99, 212380), (105, 200244), (110, 191142), (111, 189420), (123, 170940), (126, 166870), (132, 159285), (140, 150183), (148, 142065), (154, 136530), (164, 128205), (165, 127428), (180, 116809), (185, 113652), (198, 106190), (205, 102564), (210, 100122), (220, 95571), (222, 94710), (231, 91020), (246, 85470), (252, 83435), (259, 81180), (287, 73260), (308, 68265), (315, 66748), (330, 63714), (333, 63140), (369, 56980), (370, 56826), (385, 54612), (396, 53095), (407, 51660), (410, 51282), (420, 50061), (444, 47355), (451, 46620), (462, 45510), (492, 42735), (495, 42476), (518, 40590), (555, 37884), (574, 36630), (615, 34188), (630, 33374), (660, 31857), (666, 31570), (693, 30340), (738, 28490), (740, 28413), (770, 27306), (777, 27060), (814, 25830), (820, 25641), (861, 24420), (902, 23310), (924, 22755), (990, 21238), (1036, 20295), (1110, 18942), (1148, 18315), (1155, 18204), (1221, 17220), (1230, 17094), (1260, 16687), (1295, 16236), (1332, 15785), (1353, 15540), (1386, 15170), (1435, 14652), (1476, 14245), (1517, 13860), (1540, 13653), (1554, 13530), (1628, 12915), (1665, 12628), (1722, 12210), (1804, 11655), (1845, 11396), (1980, 10619), (2035, 10332), (2220, 9471), (2255, 9324), (2310, 9102), (2331, 9020), (2442, 8610), (2460, 8547), (2583, 8140), (2590, 8118), (2706, 7770), (2772, 7585), (2849, 7380), (2870, 7326), (3034, 6930), (3108, 6765), (3157, 6660), (3330, 6314), (3444, 6105), (3465, 6068), (3663, 5740), (3690, 5698), (3885, 5412), (4059, 5180), (4070, 5166), (4305, 4884), (4510, 4662), (4551, 4620)]