21381061

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{809}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 3113339

約数列:

[1, 13, 19, 107, 247, 809, 1391, 2033, 10517, 15371, 26429, 86563, 199823, 1125319, 1644697, 21381061]

約数ペア:

[(1, 21381061), (13, 1644697), (19, 1125319), (107, 199823), (247, 86563), (809, 26429), (1391, 15371), (2033, 10517)]