21613312

素因数分解:

$2^8\times 7^2\times {\mathrm{1723}}^1$

素因数の和:1753

約数の個数: 54

約数和(自身を含む): 50214948

約数和(自身を除く): 28601636

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1723, 1792, 3136, 3446, 6272, 6892, 12061, 12544, 13784, 24122, 27568, 48244, 55136, 84427, 96488, 110272, 168854, 192976, 220544, 337708, 385952, 441088, 675416, 771904, 1350832, 1543808, 2701664, 3087616, 5403328, 10806656, 21613312]

約数ペア:

[(1, 21613312), (2, 10806656), (4, 5403328), (7, 3087616), (8, 2701664), (14, 1543808), (16, 1350832), (28, 771904), (32, 675416), (49, 441088), (56, 385952), (64, 337708), (98, 220544), (112, 192976), (128, 168854), (196, 110272), (224, 96488), (256, 84427), (392, 55136), (448, 48244), (784, 27568), (896, 24122), (1568, 13784), (1723, 12544), (1792, 12061), (3136, 6892), (3446, 6272)]