21344823

素因数分解:

$3^3\times {\mathrm{191}}^1\times {\mathrm{4139}}^1$

素因数の和:4339

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 10450377

約数列:

[1, 3, 9, 27, 191, 573, 1719, 4139, 5157, 12417, 37251, 111753, 790549, 2371647, 7114941, 21344823]

約数ペア:

[(1, 21344823), (3, 7114941), (9, 2371647), (27, 790549), (191, 111753), (573, 37251), (1719, 12417), (4139, 5157)]