21636791

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{593}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 24634368

約数和(自身を除く): 2997577

約数列:

[1, 11, 31, 107, 341, 593, 1177, 3317, 6523, 18383, 36487, 63451, 202213, 697961, 1966981, 21636791]

約数ペア:

[(1, 21636791), (11, 1966981), (31, 697961), (107, 202213), (341, 63451), (593, 36487), (1177, 18383), (3317, 6523)]