21366576

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 240

約数和(自身を含む): 77995008

約数和(自身を除く): 56628432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 41, 42, 44, 47, 48, 56, 63, 66, 72, 77, 82, 84, 88, 94, 99, 112, 123, 126, 132, 141, 144, 154, 164, 168, 176, 188, 198, 231, 246, 252, 264, 282, 287, 308, 328, 329, 336, 369, 376, 396, 423, 451, 462, 492, 504, 517, 528, 564, 574, 616, 656, 658, 693, 738, 752, 792, 846, 861, 902, 924, 984, 987, 1008, 1034, 1128, 1148, 1232, 1316, 1353, 1386, 1476, 1551, 1584, 1692, 1722, 1804, 1848, 1927, 1968, 1974, 2068, 2256, 2296, 2583, 2632, 2706, 2772, 2952, 2961, 3102, 3157, 3384, 3444, 3608, 3619, 3696, 3854, 3948, 4059, 4136, 4592, 4653, 5166, 5264, 5412, 5544, 5781, 5904, 5922, 6204, 6314, 6768, 6888, 7216, 7238, 7708, 7896, 8118, 8272, 9306, 9471, 10332, 10824, 10857, 11088, 11562, 11844, 12408, 12628, 13489, 13776, 14476, 15416, 15792, 16236, 17343, 18612, 18942, 20664, 21197, 21648, 21714, 23124, 23688, 24816, 25256, 26978, 28413, 28952, 30832, 32472, 32571, 34686, 37224, 37884, 40467, 41328, 42394, 43428, 46248, 47376, 50512, 53956, 56826, 57904, 63591, 64944, 65142, 69372, 74448, 75768, 80934, 84788, 86856, 92496, 107912, 113652, 121401, 127182, 130284, 138744, 148379, 151536, 161868, 169576, 173712, 190773, 215824, 227304, 242802, 254364, 260568, 277488, 296758, 323736, 339152, 381546, 445137, 454608, 485604, 508728, 521136, 593516, 647472, 763092, 890274, 971208, 1017456, 1187032, 1335411, 1526184, 1780548, 1942416, 2374064, 2670822, 3052368, 3561096, 5341644, 7122192, 10683288, 21366576]

約数ペア:

[(1, 21366576), (2, 10683288), (3, 7122192), (4, 5341644), (6, 3561096), (7, 3052368), (8, 2670822), (9, 2374064), (11, 1942416), (12, 1780548), (14, 1526184), (16, 1335411), (18, 1187032), (21, 1017456), (22, 971208), (24, 890274), (28, 763092), (33, 647472), (36, 593516), (41, 521136), (42, 508728), (44, 485604), (47, 454608), (48, 445137), (56, 381546), (63, 339152), (66, 323736), (72, 296758), (77, 277488), (82, 260568), (84, 254364), (88, 242802), (94, 227304), (99, 215824), (112, 190773), (123, 173712), (126, 169576), (132, 161868), (141, 151536), (144, 148379), (154, 138744), (164, 130284), (168, 127182), (176, 121401), (188, 113652), (198, 107912), (231, 92496), (246, 86856), (252, 84788), (264, 80934), (282, 75768), (287, 74448), (308, 69372), (328, 65142), (329, 64944), (336, 63591), (369, 57904), (376, 56826), (396, 53956), (423, 50512), (451, 47376), (462, 46248), (492, 43428), (504, 42394), (517, 41328), (528, 40467), (564, 37884), (574, 37224), (616, 34686), (656, 32571), (658, 32472), (693, 30832), (738, 28952), (752, 28413), (792, 26978), (846, 25256), (861, 24816), (902, 23688), (924, 23124), (984, 21714), (987, 21648), (1008, 21197), (1034, 20664), (1128, 18942), (1148, 18612), (1232, 17343), (1316, 16236), (1353, 15792), (1386, 15416), (1476, 14476), (1551, 13776), (1584, 13489), (1692, 12628), (1722, 12408), (1804, 11844), (1848, 11562), (1927, 11088), (1968, 10857), (1974, 10824), (2068, 10332), (2256, 9471), (2296, 9306), (2583, 8272), (2632, 8118), (2706, 7896), (2772, 7708), (2952, 7238), (2961, 7216), (3102, 6888), (3157, 6768), (3384, 6314), (3444, 6204), (3608, 5922), (3619, 5904), (3696, 5781), (3854, 5544), (3948, 5412), (4059, 5264), (4136, 5166), (4592, 4653)]