21000852465

素因数分解:

$3^1\times 5^1\times {\mathrm{12473}}^1\times {\mathrm{112247}}^1$

素因数の和:124728

約数の個数: 16

約数和(自身を含む): 33604357248

約数和(自身を除く): 12603504783

約数列:

[1, 3, 5, 15, 12473, 37419, 62365, 112247, 187095, 336741, 561235, 1683705, 1400056831, 4200170493, 7000284155, 21000852465]

約数ペア:

[(1, 21000852465), (3, 7000284155), (5, 4200170493), (15, 1400056831), (12473, 1683705), (37419, 561235), (62365, 336741), (112247, 187095)]