21049406976

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:797

約数の個数: 240

約数和(自身を含む): 61284738240

約数和(自身を除く): 40235331264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 131, 156, 169, 192, 208, 256, 262, 312, 338, 384, 393, 416, 507, 512, 524, 619, 624, 676, 768, 786, 832, 1014, 1048, 1238, 1248, 1352, 1536, 1572, 1664, 1703, 1857, 2028, 2096, 2476, 2496, 2704, 3144, 3328, 3406, 3714, 4056, 4192, 4952, 4992, 5109, 5408, 6288, 6656, 6812, 7428, 8047, 8112, 8384, 9904, 9984, 10218, 10816, 12576, 13624, 14856, 16094, 16224, 16768, 19808, 19968, 20436, 21632, 22139, 24141, 25152, 27248, 29712, 32188, 32448, 33536, 39616, 40872, 43264, 44278, 48282, 50304, 54496, 59424, 64376, 64896, 66417, 67072, 79232, 81089, 81744, 86528, 88556, 96564, 100608, 104611, 108992, 118848, 128752, 129792, 132834, 158464, 162178, 163488, 177112, 193128, 201216, 209222, 217984, 237696, 243267, 257504, 259584, 265668, 313833, 316928, 324356, 326976, 354224, 386256, 418444, 435968, 475392, 486534, 515008, 531336, 627666, 648712, 653952, 708448, 772512, 836888, 871936, 950784, 973068, 1030016, 1054157, 1062672, 1255332, 1297424, 1307904, 1416896, 1545024, 1673776, 1946136, 2060032, 2108314, 2125344, 2510664, 2594848, 2615808, 2833792, 3090048, 3162471, 3347552, 3892272, 4120064, 4216628, 4250688, 5021328, 5189696, 5667584, 6180096, 6324942, 6695104, 7784544, 8433256, 8501376, 10042656, 10379392, 11335168, 12360192, 12649884, 13390208, 13704041, 15569088, 16866512, 17002752, 20085312, 20758784, 25299768, 26780416, 27408082, 31138176, 33733024, 34005504, 40170624, 41112123, 41517568, 50599536, 53560832, 54816164, 62276352, 67466048, 80341248, 82224246, 101199072, 109632328, 124552704, 134932096, 160682496, 164448492, 202398144, 219264656, 269864192, 328896984, 404796288, 438529312, 539728384, 657793968, 809592576, 877058624, 1315587936, 1619185152, 1754117248, 2631175872, 3508234496, 5262351744, 7016468992, 10524703488, 21049406976]

約数ペア:

[(1, 21049406976), (2, 10524703488), (3, 7016468992), (4, 5262351744), (6, 3508234496), (8, 2631175872), (12, 1754117248), (13, 1619185152), (16, 1315587936), (24, 877058624), (26, 809592576), (32, 657793968), (39, 539728384), (48, 438529312), (52, 404796288), (64, 328896984), (78, 269864192), (96, 219264656), (104, 202398144), (128, 164448492), (131, 160682496), (156, 134932096), (169, 124552704), (192, 109632328), (208, 101199072), (256, 82224246), (262, 80341248), (312, 67466048), (338, 62276352), (384, 54816164), (393, 53560832), (416, 50599536), (507, 41517568), (512, 41112123), (524, 40170624), (619, 34005504), (624, 33733024), (676, 31138176), (768, 27408082), (786, 26780416), (832, 25299768), (1014, 20758784), (1048, 20085312), (1238, 17002752), (1248, 16866512), (1352, 15569088), (1536, 13704041), (1572, 13390208), (1664, 12649884), (1703, 12360192), (1857, 11335168), (2028, 10379392), (2096, 10042656), (2476, 8501376), (2496, 8433256), (2704, 7784544), (3144, 6695104), (3328, 6324942), (3406, 6180096), (3714, 5667584), (4056, 5189696), (4192, 5021328), (4952, 4250688), (4992, 4216628), (5109, 4120064), (5408, 3892272), (6288, 3347552), (6656, 3162471), (6812, 3090048), (7428, 2833792), (8047, 2615808), (8112, 2594848), (8384, 2510664), (9904, 2125344), (9984, 2108314), (10218, 2060032), (10816, 1946136), (12576, 1673776), (13624, 1545024), (14856, 1416896), (16094, 1307904), (16224, 1297424), (16768, 1255332), (19808, 1062672), (19968, 1054157), (20436, 1030016), (21632, 973068), (22139, 950784), (24141, 871936), (25152, 836888), (27248, 772512), (29712, 708448), (32188, 653952), (32448, 648712), (33536, 627666), (39616, 531336), (40872, 515008), (43264, 486534), (44278, 475392), (48282, 435968), (50304, 418444), (54496, 386256), (59424, 354224), (64376, 326976), (64896, 324356), (66417, 316928), (67072, 313833), (79232, 265668), (81089, 259584), (81744, 257504), (86528, 243267), (88556, 237696), (96564, 217984), (100608, 209222), (104611, 201216), (108992, 193128), (118848, 177112), (128752, 163488), (129792, 162178), (132834, 158464)]