21653530

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9539}}^1$

素因数の和:9773

約数の個数: 16

約数和(自身を含む): 39152160

約数和(自身を除く): 17498630

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 9539, 19078, 47695, 95390, 2165353, 4330706, 10826765, 21653530]

約数ペア:

[(1, 21653530), (2, 10826765), (5, 4330706), (10, 2165353), (227, 95390), (454, 47695), (1135, 19078), (2270, 9539)]