21856647

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1831}}^1$

素因数の和:2030

約数の個数: 16

約数和(自身を含む): 30601728

約数和(自身を除く): 8745081

約数列:

[1, 3, 23, 69, 173, 519, 1831, 3979, 5493, 11937, 42113, 126339, 316763, 950289, 7285549, 21856647]

約数ペア:

[(1, 21856647), (3, 7285549), (23, 950289), (69, 316763), (173, 126339), (519, 42113), (1831, 11937), (3979, 5493)]