21056

素因数分解:

$2^6\times 7^1\times {\mathrm{47}}^1$

素因数の和:66

約数の個数: 28

約数和(自身を含む): 48768

約数和(自身を除く): 27712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 188, 224, 329, 376, 448, 658, 752, 1316, 1504, 2632, 3008, 5264, 10528, 21056]

約数ペア:

[(1, 21056), (2, 10528), (4, 5264), (7, 3008), (8, 2632), (14, 1504), (16, 1316), (28, 752), (32, 658), (47, 448), (56, 376), (64, 329), (94, 224), (112, 188)]