21561436980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{5897}}^1$

素因数の和:6016

約数の個数: 240

約数和(自身を含む): 70617886416

約数和(自身を除く): 49056449436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 61, 74, 81, 90, 108, 111, 122, 135, 148, 162, 180, 183, 185, 222, 244, 270, 305, 324, 333, 366, 370, 405, 444, 540, 549, 555, 610, 666, 732, 740, 810, 915, 999, 1098, 1110, 1220, 1332, 1620, 1647, 1665, 1830, 1998, 2196, 2220, 2257, 2745, 2997, 3294, 3330, 3660, 3996, 4514, 4941, 4995, 5490, 5897, 5994, 6588, 6660, 6771, 8235, 9028, 9882, 9990, 10980, 11285, 11794, 11988, 13542, 14985, 16470, 17691, 19764, 19980, 20313, 22570, 23588, 24705, 27084, 29485, 29970, 32940, 33855, 35382, 40626, 45140, 49410, 53073, 58970, 59940, 60939, 67710, 70764, 81252, 88455, 98820, 101565, 106146, 117940, 121878, 135420, 159219, 176910, 182817, 203130, 212292, 218189, 243756, 265365, 304695, 318438, 353820, 359717, 365634, 406260, 436378, 477657, 530730, 609390, 636876, 654567, 719434, 731268, 796095, 872756, 914085, 955314, 1061460, 1079151, 1090945, 1218780, 1309134, 1438868, 1592190, 1798585, 1828170, 1910628, 1963701, 2158302, 2181890, 2388285, 2618268, 3184380, 3237453, 3272835, 3597170, 3656340, 3927402, 4316604, 4363780, 4776570, 5395755, 5891103, 6474906, 6545670, 7194340, 7854804, 9553140, 9712359, 9818505, 10791510, 11782206, 12949812, 13091340, 13309529, 16187265, 17673309, 19424718, 19637010, 21583020, 23564412, 26619058, 29137077, 29455515, 32374530, 35346618, 38849436, 39274020, 39928587, 48561795, 53238116, 58274154, 58911030, 64749060, 66547645, 70693236, 79857174, 88366545, 97123590, 116548308, 117822060, 119785761, 133095290, 145685385, 159714348, 176733090, 194247180, 199642935, 239571522, 266190580, 291370770, 353466180, 359357283, 399285870, 479143044, 582741540, 598928805, 718714566, 798571740, 1078071849, 1197857610, 1437429132, 1796786415, 2156143698, 2395715220, 3593572830, 4312287396, 5390359245, 7187145660, 10780718490, 21561436980]

約数ペア:

[(1, 21561436980), (2, 10780718490), (3, 7187145660), (4, 5390359245), (5, 4312287396), (6, 3593572830), (9, 2395715220), (10, 2156143698), (12, 1796786415), (15, 1437429132), (18, 1197857610), (20, 1078071849), (27, 798571740), (30, 718714566), (36, 598928805), (37, 582741540), (45, 479143044), (54, 399285870), (60, 359357283), (61, 353466180), (74, 291370770), (81, 266190580), (90, 239571522), (108, 199642935), (111, 194247180), (122, 176733090), (135, 159714348), (148, 145685385), (162, 133095290), (180, 119785761), (183, 117822060), (185, 116548308), (222, 97123590), (244, 88366545), (270, 79857174), (305, 70693236), (324, 66547645), (333, 64749060), (366, 58911030), (370, 58274154), (405, 53238116), (444, 48561795), (540, 39928587), (549, 39274020), (555, 38849436), (610, 35346618), (666, 32374530), (732, 29455515), (740, 29137077), (810, 26619058), (915, 23564412), (999, 21583020), (1098, 19637010), (1110, 19424718), (1220, 17673309), (1332, 16187265), (1620, 13309529), (1647, 13091340), (1665, 12949812), (1830, 11782206), (1998, 10791510), (2196, 9818505), (2220, 9712359), (2257, 9553140), (2745, 7854804), (2997, 7194340), (3294, 6545670), (3330, 6474906), (3660, 5891103), (3996, 5395755), (4514, 4776570), (4941, 4363780), (4995, 4316604), (5490, 3927402), (5897, 3656340), (5994, 3597170), (6588, 3272835), (6660, 3237453), (6771, 3184380), (8235, 2618268), (9028, 2388285), (9882, 2181890), (9990, 2158302), (10980, 1963701), (11285, 1910628), (11794, 1828170), (11988, 1798585), (13542, 1592190), (14985, 1438868), (16470, 1309134), (17691, 1218780), (19764, 1090945), (19980, 1079151), (20313, 1061460), (22570, 955314), (23588, 914085), (24705, 872756), (27084, 796095), (29485, 731268), (29970, 719434), (32940, 654567), (33855, 636876), (35382, 609390), (40626, 530730), (45140, 477657), (49410, 436378), (53073, 406260), (58970, 365634), (59940, 359717), (60939, 353820), (67710, 318438), (70764, 304695), (81252, 265365), (88455, 243756), (98820, 218189), (101565, 212292), (106146, 203130), (117940, 182817), (121878, 176910), (135420, 159219)]