21139967970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{3581}}^1$

素因数の和:3761

約数の個数: 192

約数和(自身を含む): 61556526720

約数和(自身を除く): 40416558750

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 67, 89, 90, 99, 110, 134, 165, 178, 198, 201, 267, 330, 335, 402, 445, 495, 534, 603, 670, 737, 801, 890, 979, 990, 1005, 1206, 1335, 1474, 1602, 1958, 2010, 2211, 2670, 2937, 3015, 3581, 3685, 4005, 4422, 4895, 5874, 5963, 6030, 6633, 7162, 7370, 8010, 8811, 9790, 10743, 11055, 11926, 13266, 14685, 17622, 17889, 17905, 21486, 22110, 29370, 29815, 32229, 33165, 35778, 35810, 39391, 44055, 53667, 53715, 59630, 64458, 65593, 66330, 78782, 88110, 89445, 107334, 107430, 118173, 131186, 161145, 178890, 196779, 196955, 236346, 239927, 268335, 318709, 322290, 327965, 354519, 393558, 393910, 479854, 536670, 590337, 590865, 637418, 655930, 709038, 719781, 956127, 983895, 1180674, 1181730, 1199635, 1439562, 1593545, 1772595, 1912254, 1967790, 2159343, 2399270, 2639197, 2868381, 2951685, 3187090, 3505799, 3545190, 3598905, 4318686, 4780635, 5278394, 5736762, 5903370, 7011598, 7197810, 7917591, 9561270, 10517397, 10796715, 13195985, 14341905, 15835182, 17528995, 21034794, 21353503, 21593430, 23752773, 26391970, 28683810, 31552191, 35057990, 39587955, 42707006, 47505546, 52586985, 63104382, 64060509, 79175910, 105173970, 106767515, 118763865, 128121018, 157760955, 192181527, 213535030, 234888533, 237527730, 315521910, 320302545, 384363054, 469777066, 640605090, 704665599, 960907635, 1174442665, 1409331198, 1921815270, 2113996797, 2348885330, 3523327995, 4227993594, 7046655990, 10569983985, 21139967970]

約数ペア:

[(1, 21139967970), (2, 10569983985), (3, 7046655990), (5, 4227993594), (6, 3523327995), (9, 2348885330), (10, 2113996797), (11, 1921815270), (15, 1409331198), (18, 1174442665), (22, 960907635), (30, 704665599), (33, 640605090), (45, 469777066), (55, 384363054), (66, 320302545), (67, 315521910), (89, 237527730), (90, 234888533), (99, 213535030), (110, 192181527), (134, 157760955), (165, 128121018), (178, 118763865), (198, 106767515), (201, 105173970), (267, 79175910), (330, 64060509), (335, 63104382), (402, 52586985), (445, 47505546), (495, 42707006), (534, 39587955), (603, 35057990), (670, 31552191), (737, 28683810), (801, 26391970), (890, 23752773), (979, 21593430), (990, 21353503), (1005, 21034794), (1206, 17528995), (1335, 15835182), (1474, 14341905), (1602, 13195985), (1958, 10796715), (2010, 10517397), (2211, 9561270), (2670, 7917591), (2937, 7197810), (3015, 7011598), (3581, 5903370), (3685, 5736762), (4005, 5278394), (4422, 4780635), (4895, 4318686), (5874, 3598905), (5963, 3545190), (6030, 3505799), (6633, 3187090), (7162, 2951685), (7370, 2868381), (8010, 2639197), (8811, 2399270), (9790, 2159343), (10743, 1967790), (11055, 1912254), (11926, 1772595), (13266, 1593545), (14685, 1439562), (17622, 1199635), (17889, 1181730), (17905, 1180674), (21486, 983895), (22110, 956127), (29370, 719781), (29815, 709038), (32229, 655930), (33165, 637418), (35778, 590865), (35810, 590337), (39391, 536670), (44055, 479854), (53667, 393910), (53715, 393558), (59630, 354519), (64458, 327965), (65593, 322290), (66330, 318709), (78782, 268335), (88110, 239927), (89445, 236346), (107334, 196955), (107430, 196779), (118173, 178890), (131186, 161145)]