21406009

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 23528448

約数和(自身を除く): 2122439

約数列:

[1, 17, 47, 73, 367, 799, 1241, 3431, 6239, 17249, 26791, 58327, 293233, 455447, 1259177, 21406009]

約数ペア:

[(1, 21406009), (17, 1259177), (47, 455447), (73, 293233), (367, 58327), (799, 26791), (1241, 17249), (3431, 6239)]