21427672

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5711}}^1$

素因数の和:5791

約数の個数: 32

約数和(自身を含む): 46609920

約数和(自身を除く): 25182248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5711, 11422, 22844, 39977, 45688, 79954, 159908, 319816, 382637, 765274, 1530548, 2678459, 3061096, 5356918, 10713836, 21427672]

約数ペア:

[(1, 21427672), (2, 10713836), (4, 5356918), (7, 3061096), (8, 2678459), (14, 1530548), (28, 765274), (56, 382637), (67, 319816), (134, 159908), (268, 79954), (469, 45688), (536, 39977), (938, 22844), (1876, 11422), (3752, 5711)]