21831480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 192

約数和(自身を含む): 80028000

約数和(自身を除く): 58196520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 37, 40, 44, 45, 55, 60, 66, 72, 74, 88, 90, 99, 110, 111, 120, 132, 148, 149, 165, 180, 185, 198, 220, 222, 264, 296, 298, 330, 333, 360, 370, 396, 407, 440, 444, 447, 495, 555, 596, 660, 666, 740, 745, 792, 814, 888, 894, 990, 1110, 1192, 1221, 1320, 1332, 1341, 1480, 1490, 1628, 1639, 1665, 1788, 1980, 2035, 2220, 2235, 2442, 2664, 2682, 2980, 3256, 3278, 3330, 3576, 3663, 3960, 4070, 4440, 4470, 4884, 4917, 5364, 5513, 5960, 6105, 6556, 6660, 6705, 7326, 8140, 8195, 8940, 9768, 9834, 10728, 11026, 12210, 13112, 13320, 13410, 14652, 14751, 16280, 16390, 16539, 17880, 18315, 19668, 22052, 24420, 24585, 26820, 27565, 29304, 29502, 32780, 33078, 36630, 39336, 44104, 48840, 49170, 49617, 53640, 55130, 59004, 60643, 65560, 66156, 73260, 73755, 82695, 98340, 99234, 110260, 118008, 121286, 132312, 146520, 147510, 165390, 181929, 196680, 198468, 220520, 242572, 248085, 295020, 303215, 330780, 363858, 396936, 485144, 496170, 545787, 590040, 606430, 661560, 727716, 909645, 992340, 1091574, 1212860, 1455432, 1819290, 1984680, 2183148, 2425720, 2728935, 3638580, 4366296, 5457870, 7277160, 10915740, 21831480]

約数ペア:

[(1, 21831480), (2, 10915740), (3, 7277160), (4, 5457870), (5, 4366296), (6, 3638580), (8, 2728935), (9, 2425720), (10, 2183148), (11, 1984680), (12, 1819290), (15, 1455432), (18, 1212860), (20, 1091574), (22, 992340), (24, 909645), (30, 727716), (33, 661560), (36, 606430), (37, 590040), (40, 545787), (44, 496170), (45, 485144), (55, 396936), (60, 363858), (66, 330780), (72, 303215), (74, 295020), (88, 248085), (90, 242572), (99, 220520), (110, 198468), (111, 196680), (120, 181929), (132, 165390), (148, 147510), (149, 146520), (165, 132312), (180, 121286), (185, 118008), (198, 110260), (220, 99234), (222, 98340), (264, 82695), (296, 73755), (298, 73260), (330, 66156), (333, 65560), (360, 60643), (370, 59004), (396, 55130), (407, 53640), (440, 49617), (444, 49170), (447, 48840), (495, 44104), (555, 39336), (596, 36630), (660, 33078), (666, 32780), (740, 29502), (745, 29304), (792, 27565), (814, 26820), (888, 24585), (894, 24420), (990, 22052), (1110, 19668), (1192, 18315), (1221, 17880), (1320, 16539), (1332, 16390), (1341, 16280), (1480, 14751), (1490, 14652), (1628, 13410), (1639, 13320), (1665, 13112), (1788, 12210), (1980, 11026), (2035, 10728), (2220, 9834), (2235, 9768), (2442, 8940), (2664, 8195), (2682, 8140), (2980, 7326), (3256, 6705), (3278, 6660), (3330, 6556), (3576, 6105), (3663, 5960), (3960, 5513), (4070, 5364), (4440, 4917), (4470, 4884)]