21868731

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{5827}}^1$

素因数の和:5975

約数の個数: 16

約数和(自身を含む): 32636800

約数和(自身を除く): 10768069

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 5827, 17481, 52443, 157329, 809953, 2429859, 7289577, 21868731]

約数ペア:

[(1, 21868731), (3, 7289577), (9, 2429859), (27, 809953), (139, 157329), (417, 52443), (1251, 17481), (3753, 5827)]