21038223

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2414

約数の個数: 16

約数和(自身を含む): 29120256

約数和(自身を除く): 8082033

約数列:

[1, 3, 43, 71, 129, 213, 2297, 3053, 6891, 9159, 98771, 163087, 296313, 489261, 7012741, 21038223]

約数ペア:

[(1, 21038223), (3, 7012741), (43, 489261), (71, 296313), (129, 163087), (213, 98771), (2297, 9159), (3053, 6891)]