21048148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1249}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 40320000

約数和(自身を除く): 19271852

約数列:

[1, 2, 4, 11, 22, 44, 383, 766, 1249, 1532, 2498, 4213, 4996, 8426, 13739, 16852, 27478, 54956, 478367, 956734, 1913468, 5262037, 10524074, 21048148]

約数ペア:

[(1, 21048148), (2, 10524074), (4, 5262037), (11, 1913468), (22, 956734), (44, 478367), (383, 54956), (766, 27478), (1249, 16852), (1532, 13739), (2498, 8426), (4213, 4996)]