21493053

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{16937}}^1$

素因数の和:16993

約数の個数: 16

約数和(自身を含む): 32520960

約数和(自身を除く): 11027907

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 16937, 50811, 152433, 457299, 796039, 2388117, 7164351, 21493053]

約数ペア:

[(1, 21493053), (3, 7164351), (9, 2388117), (27, 796039), (47, 457299), (141, 152433), (423, 50811), (1269, 16937)]