21130874856

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8693}}^1$

素因数の和:8785

約数の個数: 288

約数和(自身を含む): 73055160360

約数和(自身を除く): 51924285504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 53, 56, 63, 72, 78, 84, 91, 98, 104, 106, 117, 126, 147, 156, 159, 168, 182, 196, 212, 234, 252, 273, 294, 312, 318, 364, 371, 392, 424, 441, 468, 477, 504, 546, 588, 636, 637, 689, 728, 742, 819, 882, 936, 954, 1092, 1113, 1176, 1272, 1274, 1378, 1484, 1638, 1764, 1908, 1911, 2067, 2184, 2226, 2548, 2597, 2756, 2968, 3276, 3339, 3528, 3816, 3822, 4134, 4452, 4823, 5096, 5194, 5512, 5733, 6201, 6552, 6678, 7644, 7791, 8268, 8693, 8904, 9646, 10388, 11466, 12402, 13356, 14469, 15288, 15582, 16536, 17386, 19292, 20776, 22932, 23373, 24804, 26079, 26712, 28938, 31164, 33761, 34772, 38584, 43407, 45864, 46746, 49608, 52158, 57876, 60851, 62328, 67522, 69544, 78237, 86814, 93492, 101283, 104316, 113009, 115752, 121702, 135044, 156474, 173628, 182553, 186984, 202566, 208632, 226018, 243404, 270088, 303849, 312948, 339027, 347256, 365106, 405132, 425957, 452036, 460729, 486808, 547659, 607698, 625896, 678054, 730212, 791063, 810264, 851914, 904072, 921458, 1017081, 1095318, 1215396, 1277871, 1356108, 1382187, 1460424, 1582126, 1703828, 1842916, 2034162, 2190636, 2373189, 2430792, 2555742, 2712216, 2764374, 3164252, 3225103, 3407656, 3685832, 3833613, 4068324, 4146561, 4381272, 4746378, 5111484, 5528748, 5537441, 5989477, 6328504, 6450206, 7119567, 7667226, 8136648, 8293122, 9492756, 9675309, 10222968, 11057496, 11074882, 11978954, 12900412, 14239134, 15334452, 16586244, 16612323, 17968431, 18985512, 19350618, 22149764, 22575721, 23957908, 25800824, 28478268, 29025927, 30668904, 33172488, 33224646, 35936862, 38701236, 41926339, 44299528, 45151442, 47915816, 49836969, 53905293, 56956536, 58051854, 66449292, 67727163, 71873724, 77402472, 83852678, 90302884, 99673938, 107810586, 116103708, 125779017, 132898584, 135454326, 143747448, 167705356, 180605768, 199347876, 203181489, 215621172, 232207416, 251558034, 270908652, 293484373, 335410712, 377337051, 398695752, 406362978, 431242344, 503116068, 541817304, 586968746, 754674102, 812725956, 880453119, 1006232136, 1173937492, 1509348204, 1625451912, 1760906238, 2347874984, 2641359357, 3018696408, 3521812476, 5282718714, 7043624952, 10565437428, 21130874856]

約数ペア:

[(1, 21130874856), (2, 10565437428), (3, 7043624952), (4, 5282718714), (6, 3521812476), (7, 3018696408), (8, 2641359357), (9, 2347874984), (12, 1760906238), (13, 1625451912), (14, 1509348204), (18, 1173937492), (21, 1006232136), (24, 880453119), (26, 812725956), (28, 754674102), (36, 586968746), (39, 541817304), (42, 503116068), (49, 431242344), (52, 406362978), (53, 398695752), (56, 377337051), (63, 335410712), (72, 293484373), (78, 270908652), (84, 251558034), (91, 232207416), (98, 215621172), (104, 203181489), (106, 199347876), (117, 180605768), (126, 167705356), (147, 143747448), (156, 135454326), (159, 132898584), (168, 125779017), (182, 116103708), (196, 107810586), (212, 99673938), (234, 90302884), (252, 83852678), (273, 77402472), (294, 71873724), (312, 67727163), (318, 66449292), (364, 58051854), (371, 56956536), (392, 53905293), (424, 49836969), (441, 47915816), (468, 45151442), (477, 44299528), (504, 41926339), (546, 38701236), (588, 35936862), (636, 33224646), (637, 33172488), (689, 30668904), (728, 29025927), (742, 28478268), (819, 25800824), (882, 23957908), (936, 22575721), (954, 22149764), (1092, 19350618), (1113, 18985512), (1176, 17968431), (1272, 16612323), (1274, 16586244), (1378, 15334452), (1484, 14239134), (1638, 12900412), (1764, 11978954), (1908, 11074882), (1911, 11057496), (2067, 10222968), (2184, 9675309), (2226, 9492756), (2548, 8293122), (2597, 8136648), (2756, 7667226), (2968, 7119567), (3276, 6450206), (3339, 6328504), (3528, 5989477), (3816, 5537441), (3822, 5528748), (4134, 5111484), (4452, 4746378), (4823, 4381272), (5096, 4146561), (5194, 4068324), (5512, 3833613), (5733, 3685832), (6201, 3407656), (6552, 3225103), (6678, 3164252), (7644, 2764374), (7791, 2712216), (8268, 2555742), (8693, 2430792), (8904, 2373189), (9646, 2190636), (10388, 2034162), (11466, 1842916), (12402, 1703828), (13356, 1582126), (14469, 1460424), (15288, 1382187), (15582, 1356108), (16536, 1277871), (17386, 1215396), (19292, 1095318), (20776, 1017081), (22932, 921458), (23373, 904072), (24804, 851914), (26079, 810264), (26712, 791063), (28938, 730212), (31164, 678054), (33761, 625896), (34772, 607698), (38584, 547659), (43407, 486808), (45864, 460729), (46746, 452036), (49608, 425957), (52158, 405132), (57876, 365106), (60851, 347256), (62328, 339027), (67522, 312948), (69544, 303849), (78237, 270088), (86814, 243404), (93492, 226018), (101283, 208632), (104316, 202566), (113009, 186984), (115752, 182553), (121702, 173628), (135044, 156474)]