21529872

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 240

約数和(自身を含む): 77995008

約数和(自身を除く): 56465136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 31, 36, 39, 42, 48, 52, 53, 56, 62, 63, 72, 78, 84, 91, 93, 104, 106, 112, 117, 124, 126, 144, 156, 159, 168, 182, 186, 208, 212, 217, 234, 248, 252, 273, 279, 312, 318, 336, 364, 371, 372, 403, 424, 434, 468, 477, 496, 504, 546, 558, 624, 636, 651, 689, 728, 742, 744, 806, 819, 848, 868, 936, 954, 1008, 1092, 1113, 1116, 1209, 1272, 1302, 1378, 1456, 1484, 1488, 1612, 1638, 1643, 1736, 1872, 1908, 1953, 2067, 2184, 2226, 2232, 2418, 2544, 2604, 2756, 2821, 2968, 3224, 3276, 3286, 3339, 3472, 3627, 3816, 3906, 4134, 4368, 4452, 4464, 4823, 4836, 4929, 5208, 5512, 5642, 5936, 6201, 6448, 6552, 6572, 6678, 7254, 7632, 7812, 8268, 8463, 8904, 9646, 9672, 9858, 10416, 11024, 11284, 11501, 12402, 13104, 13144, 13356, 14469, 14508, 14787, 15624, 16536, 16926, 17808, 19292, 19344, 19716, 21359, 22568, 23002, 24804, 25389, 26288, 26712, 28938, 29016, 29574, 31248, 33072, 33852, 34503, 38584, 39432, 42718, 43407, 45136, 46004, 49608, 50778, 53424, 57876, 58032, 59148, 64077, 67704, 69006, 77168, 78864, 85436, 86814, 92008, 99216, 101556, 103509, 115752, 118296, 128154, 135408, 138012, 149513, 170872, 173628, 184016, 192231, 203112, 207018, 231504, 236592, 256308, 276024, 299026, 341744, 347256, 384462, 406224, 414036, 448539, 512616, 552048, 598052, 694512, 768924, 828072, 897078, 1025232, 1196104, 1345617, 1537848, 1656144, 1794156, 2392208, 2691234, 3075696, 3588312, 5382468, 7176624, 10764936, 21529872]

約数ペア:

[(1, 21529872), (2, 10764936), (3, 7176624), (4, 5382468), (6, 3588312), (7, 3075696), (8, 2691234), (9, 2392208), (12, 1794156), (13, 1656144), (14, 1537848), (16, 1345617), (18, 1196104), (21, 1025232), (24, 897078), (26, 828072), (28, 768924), (31, 694512), (36, 598052), (39, 552048), (42, 512616), (48, 448539), (52, 414036), (53, 406224), (56, 384462), (62, 347256), (63, 341744), (72, 299026), (78, 276024), (84, 256308), (91, 236592), (93, 231504), (104, 207018), (106, 203112), (112, 192231), (117, 184016), (124, 173628), (126, 170872), (144, 149513), (156, 138012), (159, 135408), (168, 128154), (182, 118296), (186, 115752), (208, 103509), (212, 101556), (217, 99216), (234, 92008), (248, 86814), (252, 85436), (273, 78864), (279, 77168), (312, 69006), (318, 67704), (336, 64077), (364, 59148), (371, 58032), (372, 57876), (403, 53424), (424, 50778), (434, 49608), (468, 46004), (477, 45136), (496, 43407), (504, 42718), (546, 39432), (558, 38584), (624, 34503), (636, 33852), (651, 33072), (689, 31248), (728, 29574), (742, 29016), (744, 28938), (806, 26712), (819, 26288), (848, 25389), (868, 24804), (936, 23002), (954, 22568), (1008, 21359), (1092, 19716), (1113, 19344), (1116, 19292), (1209, 17808), (1272, 16926), (1302, 16536), (1378, 15624), (1456, 14787), (1484, 14508), (1488, 14469), (1612, 13356), (1638, 13144), (1643, 13104), (1736, 12402), (1872, 11501), (1908, 11284), (1953, 11024), (2067, 10416), (2184, 9858), (2226, 9672), (2232, 9646), (2418, 8904), (2544, 8463), (2604, 8268), (2756, 7812), (2821, 7632), (2968, 7254), (3224, 6678), (3276, 6572), (3286, 6552), (3339, 6448), (3472, 6201), (3627, 5936), (3816, 5642), (3906, 5512), (4134, 5208), (4368, 4929), (4452, 4836), (4464, 4823)]