21742563

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5437}}^1$

素因数の和:5514

約数の個数: 16

約数和(自身を含む): 30626816

約数和(自身を除く): 8884253

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 5437, 16311, 168547, 233791, 505641, 701373, 7247521, 21742563]

約数ペア:

[(1, 21742563), (3, 7247521), (31, 701373), (43, 505641), (93, 233791), (129, 168547), (1333, 16311), (3999, 5437)]