21452553

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{19379}}^1$

素因数の和:19429

約数の個数: 16

約数和(自身を含む): 32558400

約数和(自身を除く): 11105847

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 19379, 58137, 174411, 523233, 794539, 2383617, 7150851, 21452553]

約数ペア:

[(1, 21452553), (3, 7150851), (9, 2383617), (27, 794539), (41, 523233), (123, 174411), (369, 58137), (1107, 19379)]