21707672

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{883}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 46675200

約数和(自身を除く): 24967528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 878, 883, 1756, 1766, 3073, 3512, 3532, 6146, 6181, 7064, 12292, 12362, 24584, 24724, 49448, 387637, 775274, 1550548, 2713459, 3101096, 5426918, 10853836, 21707672]

約数ペア:

[(1, 21707672), (2, 10853836), (4, 5426918), (7, 3101096), (8, 2713459), (14, 1550548), (28, 775274), (56, 387637), (439, 49448), (878, 24724), (883, 24584), (1756, 12362), (1766, 12292), (3073, 7064), (3512, 6181), (3532, 6146)]