21136605840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{10009}}^1$

素因数の和:10454

約数の個数: 240

約数和(自身を含む): 81326044800

約数和(自身を除く): 60189438960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 419, 420, 504, 560, 630, 720, 838, 840, 1008, 1257, 1260, 1676, 1680, 2095, 2514, 2520, 2933, 3352, 3771, 4190, 5028, 5040, 5866, 6285, 6704, 7542, 8380, 8799, 10009, 10056, 11732, 12570, 14665, 15084, 16760, 17598, 18855, 20018, 20112, 23464, 25140, 26397, 29330, 30027, 30168, 33520, 35196, 37710, 40036, 43995, 46928, 50045, 50280, 52794, 58660, 60054, 60336, 70063, 70392, 75420, 80072, 87990, 90081, 100090, 100560, 105588, 117320, 120108, 131985, 140126, 140784, 150135, 150840, 160144, 175980, 180162, 200180, 210189, 211176, 234640, 240216, 263970, 280252, 300270, 301680, 350315, 351960, 360324, 400360, 420378, 422352, 450405, 480432, 527940, 560504, 600540, 630567, 700630, 703920, 720648, 800720, 840756, 900810, 1050945, 1055880, 1121008, 1201080, 1261134, 1401260, 1441296, 1681512, 1801620, 2101890, 2111760, 2402160, 2522268, 2802520, 3152835, 3363024, 3603240, 4193771, 4203780, 5044536, 5605040, 6305670, 7206480, 8387542, 8407560, 10089072, 12581313, 12611340, 16775084, 16815120, 20968855, 25162626, 25222680, 29356397, 33550168, 37743939, 41937710, 50325252, 50445360, 58712794, 62906565, 67100336, 75487878, 83875420, 88069191, 100650504, 117425588, 125813130, 146781985, 150975756, 167750840, 176138382, 188719695, 201301008, 234851176, 251626260, 264207573, 293563970, 301951512, 335501680, 352276764, 377439390, 440345955, 469702352, 503252520, 528415146, 587127940, 603903024, 704553528, 754878780, 880691910, 1006505040, 1056830292, 1174255880, 1321037865, 1409107056, 1509757560, 1761383820, 2113660584, 2348511760, 2642075730, 3019515120, 3522767640, 4227321168, 5284151460, 7045535280, 10568302920, 21136605840]

約数ペア:

[(1, 21136605840), (2, 10568302920), (3, 7045535280), (4, 5284151460), (5, 4227321168), (6, 3522767640), (7, 3019515120), (8, 2642075730), (9, 2348511760), (10, 2113660584), (12, 1761383820), (14, 1509757560), (15, 1409107056), (16, 1321037865), (18, 1174255880), (20, 1056830292), (21, 1006505040), (24, 880691910), (28, 754878780), (30, 704553528), (35, 603903024), (36, 587127940), (40, 528415146), (42, 503252520), (45, 469702352), (48, 440345955), (56, 377439390), (60, 352276764), (63, 335501680), (70, 301951512), (72, 293563970), (80, 264207573), (84, 251626260), (90, 234851176), (105, 201301008), (112, 188719695), (120, 176138382), (126, 167750840), (140, 150975756), (144, 146781985), (168, 125813130), (180, 117425588), (210, 100650504), (240, 88069191), (252, 83875420), (280, 75487878), (315, 67100336), (336, 62906565), (360, 58712794), (419, 50445360), (420, 50325252), (504, 41937710), (560, 37743939), (630, 33550168), (720, 29356397), (838, 25222680), (840, 25162626), (1008, 20968855), (1257, 16815120), (1260, 16775084), (1676, 12611340), (1680, 12581313), (2095, 10089072), (2514, 8407560), (2520, 8387542), (2933, 7206480), (3352, 6305670), (3771, 5605040), (4190, 5044536), (5028, 4203780), (5040, 4193771), (5866, 3603240), (6285, 3363024), (6704, 3152835), (7542, 2802520), (8380, 2522268), (8799, 2402160), (10009, 2111760), (10056, 2101890), (11732, 1801620), (12570, 1681512), (14665, 1441296), (15084, 1401260), (16760, 1261134), (17598, 1201080), (18855, 1121008), (20018, 1055880), (20112, 1050945), (23464, 900810), (25140, 840756), (26397, 800720), (29330, 720648), (30027, 703920), (30168, 700630), (33520, 630567), (35196, 600540), (37710, 560504), (40036, 527940), (43995, 480432), (46928, 450405), (50045, 422352), (50280, 420378), (52794, 400360), (58660, 360324), (60054, 351960), (60336, 350315), (70063, 301680), (70392, 300270), (75420, 280252), (80072, 263970), (87990, 240216), (90081, 234640), (100090, 211176), (100560, 210189), (105588, 200180), (117320, 180162), (120108, 175980), (131985, 160144), (140126, 150840), (140784, 150135)]