21676042

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1173

約数の個数: 16

約数和(自身を含む): 33419232

約数和(自身を除く): 11743190

約数列:

[1, 2, 43, 86, 307, 614, 821, 1642, 13201, 26402, 35303, 70606, 252047, 504094, 10838021, 21676042]

約数ペア:

[(1, 21676042), (2, 10838021), (43, 504094), (86, 252047), (307, 70606), (614, 35303), (821, 26402), (1642, 13201)]