21858273

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 32497920

約数和(自身を除く): 10639647

約数列:

[1, 3, 9, 71, 79, 213, 237, 433, 639, 711, 1299, 3897, 5609, 16827, 30743, 34207, 50481, 92229, 102621, 276687, 307863, 2428697, 7286091, 21858273]

約数ペア:

[(1, 21858273), (3, 7286091), (9, 2428697), (71, 307863), (79, 276687), (213, 102621), (237, 92229), (433, 50481), (639, 34207), (711, 30743), (1299, 16827), (3897, 5609)]