21281481216

素因数分解:

$2^9\times 3^6\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 560

約数和(自身を含む): 69342508224

約数和(自身を除く): 48061027008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 37, 46, 48, 54, 64, 67, 69, 72, 74, 81, 92, 96, 108, 111, 128, 134, 138, 144, 148, 162, 184, 192, 201, 207, 216, 222, 243, 256, 268, 276, 288, 296, 324, 333, 368, 384, 402, 414, 432, 444, 486, 512, 536, 552, 576, 592, 603, 621, 648, 666, 729, 736, 768, 804, 828, 851, 864, 888, 972, 999, 1072, 1104, 1152, 1184, 1206, 1242, 1296, 1332, 1458, 1472, 1536, 1541, 1608, 1656, 1702, 1728, 1776, 1809, 1863, 1944, 1998, 2144, 2208, 2304, 2368, 2412, 2479, 2484, 2553, 2592, 2664, 2916, 2944, 2997, 3082, 3216, 3312, 3404, 3456, 3552, 3618, 3726, 3888, 3996, 4288, 4416, 4608, 4623, 4736, 4824, 4958, 4968, 5106, 5184, 5328, 5427, 5589, 5832, 5888, 5994, 6164, 6432, 6624, 6808, 6912, 7104, 7236, 7437, 7452, 7659, 7776, 7992, 8576, 8832, 8991, 9246, 9472, 9648, 9916, 9936, 10212, 10368, 10656, 10854, 11178, 11664, 11776, 11988, 12328, 12864, 13248, 13616, 13824, 13869, 14208, 14472, 14874, 14904, 15318, 15552, 15984, 16281, 16767, 17152, 17664, 17982, 18492, 18944, 19296, 19832, 19872, 20424, 20736, 21312, 21708, 22311, 22356, 22977, 23328, 23976, 24656, 25728, 26496, 26973, 27232, 27738, 28416, 28944, 29748, 29808, 30636, 31104, 31968, 32562, 33534, 34304, 35328, 35964, 36984, 38592, 39664, 39744, 40848, 41472, 41607, 42624, 43416, 44622, 44712, 45954, 46656, 47952, 48843, 49312, 51456, 52992, 53946, 54464, 55476, 56832, 57017, 57888, 59496, 59616, 61272, 62208, 63936, 65124, 66933, 67068, 68931, 71928, 73968, 77184, 79328, 79488, 81696, 83214, 85248, 86832, 89244, 89424, 91908, 93312, 95904, 97686, 98624, 102912, 105984, 107892, 108928, 110952, 114034, 115776, 118992, 119232, 122544, 124416, 124821, 127872, 130248, 133866, 134136, 137862, 143856, 147936, 154368, 158656, 158976, 163392, 166428, 170496, 171051, 173664, 178488, 178848, 183816, 186624, 191808, 195372, 197248, 200799, 206793, 215784, 217856, 221904, 228068, 231552, 237984, 238464, 245088, 249642, 255744, 260496, 267732, 268272, 275724, 287712, 295872, 308736, 317312, 317952, 326784, 332856, 342102, 347328, 356976, 357696, 367632, 373248, 374463, 383616, 390744, 394496, 401598, 413586, 431568, 435712, 443808, 456136, 463104, 475968, 476928, 490176, 499284, 511488, 513153, 520992, 535464, 536544, 551448, 575424, 591744, 602397, 620379, 634624, 653568, 665712, 684204, 694656, 713952, 715392, 735264, 748926, 767232, 781488, 788992, 803196, 827172, 863136, 887616, 912272, 926208, 951936, 953856, 980352, 998568, 1026306, 1041984, 1070928, 1073088, 1102896, 1123389, 1150848, 1183488, 1204794, 1240758, 1269248, 1307136, 1331424, 1368408, 1389312, 1427904, 1430784, 1470528, 1497852, 1534464, 1539459, 1562976, 1606392, 1654344, 1726272, 1775232, 1807191, 1824544, 1903872, 1960704, 1997136, 2052612, 2083968, 2141856, 2146176, 2205792, 2246778, 2301696, 2366976, 2409588, 2481516, 2662848, 2736816, 2778624, 2855808, 2861568, 2941056, 2995704, 3078918, 3125952, 3212784, 3308688, 3452544, 3550464, 3614382, 3649088, 3807744, 3921408, 3994272, 4105224, 4167936, 4283712, 4292352, 4411584, 4493556, 4603392, 4618377, 4819176, 4963032, 5325696, 5473632, 5711616, 5882112, 5991408, 6157836, 6251904, 6425568, 6617376, 6905088, 7100928, 7228764, 7298176, 7988544, 8210448, 8335872, 8567424, 8584704, 8823168, 8987112, 9236754, 9638352, 9926064, 10651392, 10947264, 11423232, 11764224, 11982816, 12315672, 12503808, 12851136, 13234752, 13810176, 13855131, 14457528, 14596352, 15977088, 16420896, 17134848, 17646336, 17974224, 18473508, 19276704, 19852128, 21302784, 21894528, 23965632, 24631344, 25007616, 25702272, 26469504, 27710262, 28915056, 29192704, 31954176, 32841792, 34269696, 35292672, 35948448, 36947016, 38553408, 39704256, 41565393, 43789056, 47931264, 49262688, 51404544, 52939008, 55420524, 57830112, 63908352, 65683584, 71896896, 73894032, 77106816, 79408512, 83130786, 87578112, 95862528, 98525376, 102809088, 105878016, 110841048, 115660224, 131367168, 143793792, 147788064, 154213632, 158817024, 166261572, 191725056, 197050752, 221682096, 231320448, 262734336, 287587584, 295576128, 308427264, 317634048, 332523144, 394101504, 443364192, 462640896, 575175168, 591152256, 665046288, 788203008, 886728384, 925281792, 1182304512, 1330092576, 1773456768, 2364609024, 2660185152, 3546913536, 5320370304, 7093827072, 10640740608, 21281481216]

約数ペア:

[(1, 21281481216), (2, 10640740608), (3, 7093827072), (4, 5320370304), (6, 3546913536), (8, 2660185152), (9, 2364609024), (12, 1773456768), (16, 1330092576), (18, 1182304512), (23, 925281792), (24, 886728384), (27, 788203008), (32, 665046288), (36, 591152256), (37, 575175168), (46, 462640896), (48, 443364192), (54, 394101504), (64, 332523144), (67, 317634048), (69, 308427264), (72, 295576128), (74, 287587584), (81, 262734336), (92, 231320448), (96, 221682096), (108, 197050752), (111, 191725056), (128, 166261572), (134, 158817024), (138, 154213632), (144, 147788064), (148, 143793792), (162, 131367168), (184, 115660224), (192, 110841048), (201, 105878016), (207, 102809088), (216, 98525376), (222, 95862528), (243, 87578112), (256, 83130786), (268, 79408512), (276, 77106816), (288, 73894032), (296, 71896896), (324, 65683584), (333, 63908352), (368, 57830112), (384, 55420524), (402, 52939008), (414, 51404544), (432, 49262688), (444, 47931264), (486, 43789056), (512, 41565393), (536, 39704256), (552, 38553408), (576, 36947016), (592, 35948448), (603, 35292672), (621, 34269696), (648, 32841792), (666, 31954176), (729, 29192704), (736, 28915056), (768, 27710262), (804, 26469504), (828, 25702272), (851, 25007616), (864, 24631344), (888, 23965632), (972, 21894528), (999, 21302784), (1072, 19852128), (1104, 19276704), (1152, 18473508), (1184, 17974224), (1206, 17646336), (1242, 17134848), (1296, 16420896), (1332, 15977088), (1458, 14596352), (1472, 14457528), (1536, 13855131), (1541, 13810176), (1608, 13234752), (1656, 12851136), (1702, 12503808), (1728, 12315672), (1776, 11982816), (1809, 11764224), (1863, 11423232), (1944, 10947264), (1998, 10651392), (2144, 9926064), (2208, 9638352), (2304, 9236754), (2368, 8987112), (2412, 8823168), (2479, 8584704), (2484, 8567424), (2553, 8335872), (2592, 8210448), (2664, 7988544), (2916, 7298176), (2944, 7228764), (2997, 7100928), (3082, 6905088), (3216, 6617376), (3312, 6425568), (3404, 6251904), (3456, 6157836), (3552, 5991408), (3618, 5882112), (3726, 5711616), (3888, 5473632), (3996, 5325696), (4288, 4963032), (4416, 4819176), (4608, 4618377), (4623, 4603392), (4736, 4493556), (4824, 4411584), (4958, 4292352), (4968, 4283712), (5106, 4167936), (5184, 4105224), (5328, 3994272), (5427, 3921408), (5589, 3807744), (5832, 3649088), (5888, 3614382), (5994, 3550464), (6164, 3452544), (6432, 3308688), (6624, 3212784), (6808, 3125952), (6912, 3078918), (7104, 2995704), (7236, 2941056), (7437, 2861568), (7452, 2855808), (7659, 2778624), (7776, 2736816), (7992, 2662848), (8576, 2481516), (8832, 2409588), (8991, 2366976), (9246, 2301696), (9472, 2246778), (9648, 2205792), (9916, 2146176), (9936, 2141856), (10212, 2083968), (10368, 2052612), (10656, 1997136), (10854, 1960704), (11178, 1903872), (11664, 1824544), (11776, 1807191), (11988, 1775232), (12328, 1726272), (12864, 1654344), (13248, 1606392), (13616, 1562976), (13824, 1539459), (13869, 1534464), (14208, 1497852), (14472, 1470528), (14874, 1430784), (14904, 1427904), (15318, 1389312), (15552, 1368408), (15984, 1331424), (16281, 1307136), (16767, 1269248), (17152, 1240758), (17664, 1204794), (17982, 1183488), (18492, 1150848), (18944, 1123389), (19296, 1102896), (19832, 1073088), (19872, 1070928), (20424, 1041984), (20736, 1026306), (21312, 998568), (21708, 980352), (22311, 953856), (22356, 951936), (22977, 926208), (23328, 912272), (23976, 887616), (24656, 863136), (25728, 827172), (26496, 803196), (26973, 788992), (27232, 781488), (27738, 767232), (28416, 748926), (28944, 735264), (29748, 715392), (29808, 713952), (30636, 694656), (31104, 684204), (31968, 665712), (32562, 653568), (33534, 634624), (34304, 620379), (35328, 602397), (35964, 591744), (36984, 575424), (38592, 551448), (39664, 536544), (39744, 535464), (40848, 520992), (41472, 513153), (41607, 511488), (42624, 499284), (43416, 490176), (44622, 476928), (44712, 475968), (45954, 463104), (46656, 456136), (47952, 443808), (48843, 435712), (49312, 431568), (51456, 413586), (52992, 401598), (53946, 394496), (54464, 390744), (55476, 383616), (56832, 374463), (57017, 373248), (57888, 367632), (59496, 357696), (59616, 356976), (61272, 347328), (62208, 342102), (63936, 332856), (65124, 326784), (66933, 317952), (67068, 317312), (68931, 308736), (71928, 295872), (73968, 287712), (77184, 275724), (79328, 268272), (79488, 267732), (81696, 260496), (83214, 255744), (85248, 249642), (86832, 245088), (89244, 238464), (89424, 237984), (91908, 231552), (93312, 228068), (95904, 221904), (97686, 217856), (98624, 215784), (102912, 206793), (105984, 200799), (107892, 197248), (108928, 195372), (110952, 191808), (114034, 186624), (115776, 183816), (118992, 178848), (119232, 178488), (122544, 173664), (124416, 171051), (124821, 170496), (127872, 166428), (130248, 163392), (133866, 158976), (134136, 158656), (137862, 154368), (143856, 147936)]