21298329

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{60679}}^1$

素因数の和:60701

約数の個数: 16

約数和(自身を含む): 33980800

約数和(自身を除く): 12682471

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 60679, 182037, 546111, 788827, 1638333, 2366481, 7099443, 21298329]

約数ペア:

[(1, 21298329), (3, 7099443), (9, 2366481), (13, 1638333), (27, 788827), (39, 546111), (117, 182037), (351, 60679)]