21189010

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45083}}^1$

素因数の和:45137

約数の個数: 16

約数和(自身を含む): 38952576

約数和(自身を除く): 17763566

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 45083, 90166, 225415, 450830, 2118901, 4237802, 10594505, 21189010]

約数ペア:

[(1, 21189010), (2, 10594505), (5, 4237802), (10, 2118901), (47, 450830), (94, 225415), (235, 90166), (470, 45083)]