21382142740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:579

約数の個数: 288

約数和(自身を含む): 57187565568

約数和(自身を除く): 35805422828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 49, 62, 70, 71, 92, 98, 115, 124, 140, 142, 155, 161, 196, 217, 230, 245, 284, 310, 322, 355, 431, 434, 460, 490, 497, 620, 644, 710, 713, 805, 862, 868, 980, 994, 1085, 1127, 1420, 1426, 1519, 1610, 1633, 1724, 1988, 2155, 2170, 2201, 2254, 2485, 2852, 3017, 3038, 3220, 3266, 3479, 3565, 4310, 4340, 4402, 4508, 4970, 4991, 5635, 6034, 6076, 6532, 6958, 7130, 7595, 8165, 8620, 8804, 9913, 9940, 9982, 11005, 11270, 11431, 12068, 13361, 13916, 14260, 15085, 15190, 15407, 16330, 17395, 19826, 19964, 21119, 22010, 22540, 22862, 24955, 26722, 30170, 30380, 30601, 30814, 32660, 34790, 34937, 39652, 42238, 44020, 45724, 49565, 49910, 50623, 53444, 57155, 60340, 61202, 61628, 66805, 69391, 69580, 69874, 77035, 80017, 84476, 93527, 99130, 99820, 101246, 105595, 107849, 114310, 122404, 133610, 138782, 139748, 153005, 154070, 160034, 174685, 187054, 198260, 202492, 211190, 214207, 215698, 228620, 253115, 267220, 277564, 306010, 307303, 308140, 320068, 346955, 349370, 354361, 374108, 400085, 422380, 428414, 431396, 467635, 485737, 506230, 539245, 612020, 614606, 654689, 693910, 698740, 703823, 708722, 800170, 856828, 935270, 948631, 971474, 1012460, 1071035, 1078490, 1229212, 1309378, 1387820, 1407646, 1417444, 1499449, 1536515, 1600340, 1771805, 1870540, 1897262, 1942948, 2142070, 2151121, 2156980, 2428685, 2480527, 2618756, 2815292, 2998898, 3073030, 3273445, 3519115, 3543610, 3794524, 4284140, 4302242, 4743155, 4857370, 4926761, 4961054, 5997796, 6146060, 6546890, 6640417, 7038230, 7087220, 7497245, 8604484, 9486310, 9714740, 9853522, 9922108, 10755605, 12402635, 13093780, 13280834, 14076460, 14994490, 15057847, 18972620, 19707044, 21511210, 21818513, 24633805, 24805270, 26561668, 29988980, 30115694, 33202085, 34487327, 43022420, 43637026, 46482919, 49267610, 49610540, 60231388, 66404170, 68974654, 75289235, 87274052, 92965838, 98535220, 109092565, 132808340, 137949308, 150578470, 152729591, 172436635, 185931676, 218185130, 232414595, 301156940, 305459182, 344873270, 436370260, 464829190, 610918364, 689746540, 763647955, 929658380, 1069107137, 1527295910, 2138214274, 3054591820, 4276428548, 5345535685, 10691071370, 21382142740]

約数ペア:

[(1, 21382142740), (2, 10691071370), (4, 5345535685), (5, 4276428548), (7, 3054591820), (10, 2138214274), (14, 1527295910), (20, 1069107137), (23, 929658380), (28, 763647955), (31, 689746540), (35, 610918364), (46, 464829190), (49, 436370260), (62, 344873270), (70, 305459182), (71, 301156940), (92, 232414595), (98, 218185130), (115, 185931676), (124, 172436635), (140, 152729591), (142, 150578470), (155, 137949308), (161, 132808340), (196, 109092565), (217, 98535220), (230, 92965838), (245, 87274052), (284, 75289235), (310, 68974654), (322, 66404170), (355, 60231388), (431, 49610540), (434, 49267610), (460, 46482919), (490, 43637026), (497, 43022420), (620, 34487327), (644, 33202085), (710, 30115694), (713, 29988980), (805, 26561668), (862, 24805270), (868, 24633805), (980, 21818513), (994, 21511210), (1085, 19707044), (1127, 18972620), (1420, 15057847), (1426, 14994490), (1519, 14076460), (1610, 13280834), (1633, 13093780), (1724, 12402635), (1988, 10755605), (2155, 9922108), (2170, 9853522), (2201, 9714740), (2254, 9486310), (2485, 8604484), (2852, 7497245), (3017, 7087220), (3038, 7038230), (3220, 6640417), (3266, 6546890), (3479, 6146060), (3565, 5997796), (4310, 4961054), (4340, 4926761), (4402, 4857370), (4508, 4743155), (4970, 4302242), (4991, 4284140), (5635, 3794524), (6034, 3543610), (6076, 3519115), (6532, 3273445), (6958, 3073030), (7130, 2998898), (7595, 2815292), (8165, 2618756), (8620, 2480527), (8804, 2428685), (9913, 2156980), (9940, 2151121), (9982, 2142070), (11005, 1942948), (11270, 1897262), (11431, 1870540), (12068, 1771805), (13361, 1600340), (13916, 1536515), (14260, 1499449), (15085, 1417444), (15190, 1407646), (15407, 1387820), (16330, 1309378), (17395, 1229212), (19826, 1078490), (19964, 1071035), (21119, 1012460), (22010, 971474), (22540, 948631), (22862, 935270), (24955, 856828), (26722, 800170), (30170, 708722), (30380, 703823), (30601, 698740), (30814, 693910), (32660, 654689), (34790, 614606), (34937, 612020), (39652, 539245), (42238, 506230), (44020, 485737), (45724, 467635), (49565, 431396), (49910, 428414), (50623, 422380), (53444, 400085), (57155, 374108), (60340, 354361), (61202, 349370), (61628, 346955), (66805, 320068), (69391, 308140), (69580, 307303), (69874, 306010), (77035, 277564), (80017, 267220), (84476, 253115), (93527, 228620), (99130, 215698), (99820, 214207), (101246, 211190), (105595, 202492), (107849, 198260), (114310, 187054), (122404, 174685), (133610, 160034), (138782, 154070), (139748, 153005)]