21941248

素因数分解:

$2^{10}\times 7^1\times {\mathrm{3061}}^1$

素因数の和:3088

約数の個数: 44

約数和(自身を含む): 50143312

約数和(自身を除く): 28202064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3061, 3584, 6122, 7168, 12244, 21427, 24488, 42854, 48976, 85708, 97952, 171416, 195904, 342832, 391808, 685664, 783616, 1371328, 1567232, 2742656, 3134464, 5485312, 10970624, 21941248]

約数ペア:

[(1, 21941248), (2, 10970624), (4, 5485312), (7, 3134464), (8, 2742656), (14, 1567232), (16, 1371328), (28, 783616), (32, 685664), (56, 391808), (64, 342832), (112, 195904), (128, 171416), (224, 97952), (256, 85708), (448, 48976), (512, 42854), (896, 24488), (1024, 21427), (1792, 12244), (3061, 7168), (3584, 6122)]