21039792

素因数分解:

$2^4\times 3^1\times {\mathrm{438329}}^1$

素因数の和:438340

約数の個数: 20

約数和(自身を含む): 54352920

約数和(自身を除く): 33313128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 438329, 876658, 1314987, 1753316, 2629974, 3506632, 5259948, 7013264, 10519896, 21039792]

約数ペア:

[(1, 21039792), (2, 10519896), (3, 7013264), (4, 5259948), (6, 3506632), (8, 2629974), (12, 1753316), (16, 1314987), (24, 876658), (48, 438329)]