21873152

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:401

約数の個数: 80

約数和(自身を含む): 53032320

約数和(自身を除く): 31159168

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 359, 448, 476, 512, 544, 718, 896, 952, 1088, 1436, 1792, 1904, 2176, 2513, 2872, 3584, 3808, 4352, 5026, 5744, 6103, 7616, 8704, 10052, 11488, 12206, 15232, 20104, 22976, 24412, 30464, 40208, 42721, 45952, 48824, 60928, 80416, 85442, 91904, 97648, 160832, 170884, 183808, 195296, 321664, 341768, 390592, 643328, 683536, 781184, 1286656, 1367072, 1562368, 2734144, 3124736, 5468288, 10936576, 21873152]

約数ペア:

[(1, 21873152), (2, 10936576), (4, 5468288), (7, 3124736), (8, 2734144), (14, 1562368), (16, 1367072), (17, 1286656), (28, 781184), (32, 683536), (34, 643328), (56, 390592), (64, 341768), (68, 321664), (112, 195296), (119, 183808), (128, 170884), (136, 160832), (224, 97648), (238, 91904), (256, 85442), (272, 80416), (359, 60928), (448, 48824), (476, 45952), (512, 42721), (544, 40208), (718, 30464), (896, 24412), (952, 22976), (1088, 20104), (1436, 15232), (1792, 12206), (1904, 11488), (2176, 10052), (2513, 8704), (2872, 7616), (3584, 6103), (3808, 5744), (4352, 5026)]