21925227

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{487}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 30060800

約数和(自身を除く): 8135573

約数列:

[1, 3, 43, 129, 349, 487, 1047, 1461, 15007, 20941, 45021, 62823, 169963, 509889, 7308409, 21925227]

約数ペア:

[(1, 21925227), (3, 7308409), (43, 509889), (129, 169963), (349, 62823), (487, 45021), (1047, 20941), (1461, 15007)]