21499839180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:518

約数の個数: 288

約数和(自身を含む): 69799907520

約数和(自身を除く): 48300068340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 61, 86, 90, 108, 122, 129, 135, 172, 180, 183, 215, 244, 258, 270, 305, 353, 366, 387, 430, 516, 540, 549, 610, 645, 706, 732, 774, 860, 915, 1059, 1098, 1161, 1220, 1290, 1412, 1548, 1647, 1765, 1830, 1849, 1935, 2118, 2196, 2322, 2580, 2623, 2745, 3177, 3294, 3530, 3660, 3698, 3870, 4236, 4644, 5246, 5295, 5490, 5547, 5805, 6354, 6588, 7060, 7396, 7740, 7869, 8235, 9245, 9531, 10492, 10590, 10980, 11094, 11610, 12708, 13115, 15179, 15738, 15885, 16470, 16641, 18490, 19062, 21180, 21533, 22188, 23220, 23607, 26230, 27735, 30358, 31476, 31770, 32940, 33282, 36980, 38124, 39345, 43066, 45537, 47214, 47655, 49923, 52460, 55470, 60716, 63540, 64599, 66564, 70821, 75895, 78690, 83205, 86132, 91074, 94428, 95310, 99846, 107665, 110940, 112789, 118035, 129198, 136611, 141642, 151790, 157380, 166410, 182148, 190620, 193797, 199692, 215330, 225578, 227685, 236070, 249615, 258396, 273222, 283284, 303580, 322995, 332820, 338367, 354105, 387594, 409833, 430660, 451156, 455370, 472140, 499230, 546444, 563945, 581391, 645990, 652697, 676734, 683055, 708210, 775188, 819666, 910740, 925919, 968985, 998460, 1015101, 1127890, 1162782, 1291980, 1305394, 1353468, 1366110, 1416420, 1639332, 1691835, 1851838, 1937970, 1958091, 2030202, 2049165, 2255780, 2325564, 2610788, 2732220, 2777757, 2906955, 3045303, 3263485, 3383670, 3703676, 3875940, 3916182, 4060404, 4098330, 4629595, 5075505, 5555514, 5813910, 5874273, 6090606, 6526970, 6767340, 7832364, 8196660, 8333271, 9259190, 9790455, 10151010, 11111028, 11627820, 11748546, 12181212, 13053940, 13888785, 15226515, 16666542, 17622819, 18518380, 19580910, 20302020, 23497092, 24999813, 27777570, 29371365, 30453030, 33333084, 35245638, 39161820, 39814517, 41666355, 49999626, 55555140, 58742730, 60906060, 70491276, 79629034, 83332710, 88114095, 99999252, 117485460, 119443551, 124999065, 159258068, 166665420, 176228190, 199072585, 238887102, 249998130, 352456380, 358330653, 398145170, 477774204, 499996260, 597217755, 716661306, 796290340, 1074991959, 1194435510, 1433322612, 1791653265, 2149983918, 2388871020, 3583306530, 4299967836, 5374959795, 7166613060, 10749919590, 21499839180]

約数ペア:

[(1, 21499839180), (2, 10749919590), (3, 7166613060), (4, 5374959795), (5, 4299967836), (6, 3583306530), (9, 2388871020), (10, 2149983918), (12, 1791653265), (15, 1433322612), (18, 1194435510), (20, 1074991959), (27, 796290340), (30, 716661306), (36, 597217755), (43, 499996260), (45, 477774204), (54, 398145170), (60, 358330653), (61, 352456380), (86, 249998130), (90, 238887102), (108, 199072585), (122, 176228190), (129, 166665420), (135, 159258068), (172, 124999065), (180, 119443551), (183, 117485460), (215, 99999252), (244, 88114095), (258, 83332710), (270, 79629034), (305, 70491276), (353, 60906060), (366, 58742730), (387, 55555140), (430, 49999626), (516, 41666355), (540, 39814517), (549, 39161820), (610, 35245638), (645, 33333084), (706, 30453030), (732, 29371365), (774, 27777570), (860, 24999813), (915, 23497092), (1059, 20302020), (1098, 19580910), (1161, 18518380), (1220, 17622819), (1290, 16666542), (1412, 15226515), (1548, 13888785), (1647, 13053940), (1765, 12181212), (1830, 11748546), (1849, 11627820), (1935, 11111028), (2118, 10151010), (2196, 9790455), (2322, 9259190), (2580, 8333271), (2623, 8196660), (2745, 7832364), (3177, 6767340), (3294, 6526970), (3530, 6090606), (3660, 5874273), (3698, 5813910), (3870, 5555514), (4236, 5075505), (4644, 4629595), (5246, 4098330), (5295, 4060404), (5490, 3916182), (5547, 3875940), (5805, 3703676), (6354, 3383670), (6588, 3263485), (7060, 3045303), (7396, 2906955), (7740, 2777757), (7869, 2732220), (8235, 2610788), (9245, 2325564), (9531, 2255780), (10492, 2049165), (10590, 2030202), (10980, 1958091), (11094, 1937970), (11610, 1851838), (12708, 1691835), (13115, 1639332), (15179, 1416420), (15738, 1366110), (15885, 1353468), (16470, 1305394), (16641, 1291980), (18490, 1162782), (19062, 1127890), (21180, 1015101), (21533, 998460), (22188, 968985), (23220, 925919), (23607, 910740), (26230, 819666), (27735, 775188), (30358, 708210), (31476, 683055), (31770, 676734), (32940, 652697), (33282, 645990), (36980, 581391), (38124, 563945), (39345, 546444), (43066, 499230), (45537, 472140), (47214, 455370), (47655, 451156), (49923, 430660), (52460, 409833), (55470, 387594), (60716, 354105), (63540, 338367), (64599, 332820), (66564, 322995), (70821, 303580), (75895, 283284), (78690, 273222), (83205, 258396), (86132, 249615), (91074, 236070), (94428, 227685), (95310, 225578), (99846, 215330), (107665, 199692), (110940, 193797), (112789, 190620), (118035, 182148), (129198, 166410), (136611, 157380), (141642, 151790)]