21027328

素因数分解:

$2^9\times 7^1\times {\mathrm{5867}}^1$

素因数の和:5892

約数の個数: 40

約数和(自身を含む): 48023712

約数和(自身を除く): 26996384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5867, 11734, 23468, 41069, 46936, 82138, 93872, 164276, 187744, 328552, 375488, 657104, 750976, 1314208, 1501952, 2628416, 3003904, 5256832, 10513664, 21027328]

約数ペア:

[(1, 21027328), (2, 10513664), (4, 5256832), (7, 3003904), (8, 2628416), (14, 1501952), (16, 1314208), (28, 750976), (32, 657104), (56, 375488), (64, 328552), (112, 187744), (128, 164276), (224, 93872), (256, 82138), (448, 46936), (512, 41069), (896, 23468), (1792, 11734), (3584, 5867)]