21554792

素因数分解:

$2^3\times 7^1\times {\mathrm{384907}}^1$

素因数の和:384920

約数の個数: 16

約数和(自身を含む): 46188960

約数和(自身を除く): 24634168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 384907, 769814, 1539628, 2694349, 3079256, 5388698, 10777396, 21554792]

約数ペア:

[(1, 21554792), (2, 10777396), (4, 5388698), (7, 3079256), (8, 2694349), (14, 1539628), (28, 769814), (56, 384907)]