21242368

素因数分解:

$2^9\times 7^1\times {\mathrm{5927}}^1$

素因数の和:5952

約数の個数: 40

約数和(自身を含む): 48514752

約数和(自身を除く): 27272384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5927, 11854, 23708, 41489, 47416, 82978, 94832, 165956, 189664, 331912, 379328, 663824, 758656, 1327648, 1517312, 2655296, 3034624, 5310592, 10621184, 21242368]

約数ペア:

[(1, 21242368), (2, 10621184), (4, 5310592), (7, 3034624), (8, 2655296), (14, 1517312), (16, 1327648), (28, 758656), (32, 663824), (56, 379328), (64, 331912), (112, 189664), (128, 165956), (224, 94832), (256, 82978), (448, 47416), (512, 41489), (896, 23708), (1792, 11854), (3584, 5927)]