21000343364

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:347

約数の個数: 288

約数和(自身を含む): 52066167552

約数和(自身を除く): 31065824188

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 61, 71, 77, 91, 98, 122, 142, 143, 154, 173, 182, 196, 244, 284, 286, 308, 346, 364, 427, 497, 539, 572, 637, 671, 692, 781, 793, 854, 923, 994, 1001, 1078, 1211, 1274, 1342, 1562, 1586, 1708, 1846, 1903, 1988, 2002, 2156, 2249, 2422, 2548, 2684, 2989, 3124, 3172, 3479, 3692, 3806, 4004, 4331, 4498, 4697, 4844, 5467, 5551, 5978, 6461, 6958, 7007, 7612, 8477, 8662, 8723, 8996, 9394, 10153, 10553, 10934, 11102, 11956, 12283, 12922, 13321, 13916, 14014, 15743, 16954, 17324, 17446, 18788, 20306, 21106, 21868, 22204, 24566, 24739, 25844, 26642, 28028, 30317, 31486, 32879, 33908, 34892, 38269, 38857, 40612, 42212, 45227, 47641, 49132, 49478, 53284, 56303, 60634, 61061, 62972, 65758, 71071, 73871, 76538, 77714, 85981, 90454, 93247, 95282, 98956, 110201, 112606, 116083, 121268, 122122, 131516, 135113, 137189, 142142, 147742, 153076, 155428, 159679, 171962, 173173, 180908, 186494, 190564, 212219, 220402, 225212, 232166, 244244, 270226, 274378, 284284, 295484, 319358, 333487, 343924, 346346, 372988, 394121, 424438, 427427, 440804, 464332, 497497, 517097, 540452, 548756, 601867, 619333, 638716, 666974, 692692, 749263, 788242, 812581, 848876, 854854, 945791, 960323, 994994, 1034194, 1117753, 1203734, 1212211, 1238666, 1333948, 1498526, 1509079, 1576484, 1625162, 1709708, 1756469, 1891582, 1920646, 1989988, 2068388, 2235506, 2334409, 2407468, 2424422, 2477332, 2758847, 2997052, 3018158, 3250324, 3512938, 3783164, 3841292, 4335331, 4471012, 4668818, 4848844, 5244841, 5517694, 5688067, 6036316, 6620537, 6722261, 7025876, 7824271, 8241893, 8670662, 9337636, 9740419, 10489682, 10563553, 11035388, 11376134, 12295283, 13241074, 13444522, 15648542, 16483786, 17341324, 19480838, 20979364, 21127106, 22752268, 24590566, 26482148, 26889044, 30347317, 31297084, 32967572, 36713887, 38961676, 42254212, 49181132, 57693251, 60694634, 68182933, 73427774, 73944871, 86066981, 107144609, 115386502, 121389268, 136365866, 146855548, 147889742, 172133962, 214289218, 230773004, 272731732, 295779484, 344267924, 403852757, 428578436, 477280531, 750012263, 807705514, 954561062, 1500024526, 1615411028, 1909122124, 3000049052, 5250085841, 10500171682, 21000343364]

約数ペア:

[(1, 21000343364), (2, 10500171682), (4, 5250085841), (7, 3000049052), (11, 1909122124), (13, 1615411028), (14, 1500024526), (22, 954561062), (26, 807705514), (28, 750012263), (44, 477280531), (49, 428578436), (52, 403852757), (61, 344267924), (71, 295779484), (77, 272731732), (91, 230773004), (98, 214289218), (122, 172133962), (142, 147889742), (143, 146855548), (154, 136365866), (173, 121389268), (182, 115386502), (196, 107144609), (244, 86066981), (284, 73944871), (286, 73427774), (308, 68182933), (346, 60694634), (364, 57693251), (427, 49181132), (497, 42254212), (539, 38961676), (572, 36713887), (637, 32967572), (671, 31297084), (692, 30347317), (781, 26889044), (793, 26482148), (854, 24590566), (923, 22752268), (994, 21127106), (1001, 20979364), (1078, 19480838), (1211, 17341324), (1274, 16483786), (1342, 15648542), (1562, 13444522), (1586, 13241074), (1708, 12295283), (1846, 11376134), (1903, 11035388), (1988, 10563553), (2002, 10489682), (2156, 9740419), (2249, 9337636), (2422, 8670662), (2548, 8241893), (2684, 7824271), (2989, 7025876), (3124, 6722261), (3172, 6620537), (3479, 6036316), (3692, 5688067), (3806, 5517694), (4004, 5244841), (4331, 4848844), (4498, 4668818), (4697, 4471012), (4844, 4335331), (5467, 3841292), (5551, 3783164), (5978, 3512938), (6461, 3250324), (6958, 3018158), (7007, 2997052), (7612, 2758847), (8477, 2477332), (8662, 2424422), (8723, 2407468), (8996, 2334409), (9394, 2235506), (10153, 2068388), (10553, 1989988), (10934, 1920646), (11102, 1891582), (11956, 1756469), (12283, 1709708), (12922, 1625162), (13321, 1576484), (13916, 1509079), (14014, 1498526), (15743, 1333948), (16954, 1238666), (17324, 1212211), (17446, 1203734), (18788, 1117753), (20306, 1034194), (21106, 994994), (21868, 960323), (22204, 945791), (24566, 854854), (24739, 848876), (25844, 812581), (26642, 788242), (28028, 749263), (30317, 692692), (31486, 666974), (32879, 638716), (33908, 619333), (34892, 601867), (38269, 548756), (38857, 540452), (40612, 517097), (42212, 497497), (45227, 464332), (47641, 440804), (49132, 427427), (49478, 424438), (53284, 394121), (56303, 372988), (60634, 346346), (61061, 343924), (62972, 333487), (65758, 319358), (71071, 295484), (73871, 284284), (76538, 274378), (77714, 270226), (85981, 244244), (90454, 232166), (93247, 225212), (95282, 220402), (98956, 212219), (110201, 190564), (112606, 186494), (116083, 180908), (121268, 173173), (122122, 171962), (131516, 159679), (135113, 155428), (137189, 153076), (142142, 147742)]