21328076

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69247}}^1$

素因数の和:69269

約数の個数: 24

約数和(自身を含む): 46534656

約数和(自身を除く): 25206580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 69247, 138494, 276988, 484729, 761717, 969458, 1523434, 1938916, 3046868, 5332019, 10664038, 21328076]

約数ペア:

[(1, 21328076), (2, 10664038), (4, 5332019), (7, 3046868), (11, 1938916), (14, 1523434), (22, 969458), (28, 761717), (44, 484729), (77, 276988), (154, 138494), (308, 69247)]