21417088

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 128

約数和(自身を含む): 55520640

約数和(自身を除く): 34103552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 41, 44, 53, 56, 64, 77, 82, 88, 106, 112, 128, 154, 164, 176, 212, 224, 287, 308, 328, 352, 371, 424, 448, 451, 574, 583, 616, 656, 704, 742, 848, 896, 902, 1148, 1166, 1232, 1312, 1408, 1484, 1696, 1804, 2173, 2296, 2332, 2464, 2624, 2968, 3157, 3392, 3608, 4081, 4346, 4592, 4664, 4928, 5248, 5936, 6314, 6784, 7216, 8162, 8692, 9184, 9328, 9856, 11872, 12628, 14432, 15211, 16324, 17384, 18368, 18656, 23744, 23903, 25256, 28864, 30422, 32648, 34768, 36736, 37312, 47488, 47806, 50512, 57728, 60844, 65296, 69536, 74624, 95612, 101024, 121688, 130592, 139072, 167321, 191224, 202048, 243376, 261184, 278144, 334642, 382448, 404096, 486752, 522368, 669284, 764896, 973504, 1338568, 1529792, 1947008, 2677136, 3059584, 5354272, 10708544, 21417088]

約数ペア:

[(1, 21417088), (2, 10708544), (4, 5354272), (7, 3059584), (8, 2677136), (11, 1947008), (14, 1529792), (16, 1338568), (22, 973504), (28, 764896), (32, 669284), (41, 522368), (44, 486752), (53, 404096), (56, 382448), (64, 334642), (77, 278144), (82, 261184), (88, 243376), (106, 202048), (112, 191224), (128, 167321), (154, 139072), (164, 130592), (176, 121688), (212, 101024), (224, 95612), (287, 74624), (308, 69536), (328, 65296), (352, 60844), (371, 57728), (424, 50512), (448, 47806), (451, 47488), (574, 37312), (583, 36736), (616, 34768), (656, 32648), (704, 30422), (742, 28864), (848, 25256), (896, 23903), (902, 23744), (1148, 18656), (1166, 18368), (1232, 17384), (1312, 16324), (1408, 15211), (1484, 14432), (1696, 12628), (1804, 11872), (2173, 9856), (2296, 9328), (2332, 9184), (2464, 8692), (2624, 8162), (2968, 7216), (3157, 6784), (3392, 6314), (3608, 5936), (4081, 5248), (4346, 4928), (4592, 4664)]