21235648

素因数分解:

$2^6\times 7^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:569

約数の個数: 56

約数和(自身を含む): 48719232

約数和(自身を除く): 27483584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 214, 224, 428, 443, 448, 749, 856, 886, 1498, 1712, 1772, 2996, 3101, 3424, 3544, 5992, 6202, 6848, 7088, 11984, 12404, 14176, 23968, 24808, 28352, 47401, 47936, 49616, 94802, 99232, 189604, 198464, 331807, 379208, 663614, 758416, 1327228, 1516832, 2654456, 3033664, 5308912, 10617824, 21235648]

約数ペア:

[(1, 21235648), (2, 10617824), (4, 5308912), (7, 3033664), (8, 2654456), (14, 1516832), (16, 1327228), (28, 758416), (32, 663614), (56, 379208), (64, 331807), (107, 198464), (112, 189604), (214, 99232), (224, 94802), (428, 49616), (443, 47936), (448, 47401), (749, 28352), (856, 24808), (886, 23968), (1498, 14176), (1712, 12404), (1772, 11984), (2996, 7088), (3101, 6848), (3424, 6202), (3544, 5992)]