21541340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46829}}^1$

素因数の和:46861

約数の個数: 24

約数和(自身を含む): 47204640

約数和(自身を除く): 25663300

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46829, 93658, 187316, 234145, 468290, 936580, 1077067, 2154134, 4308268, 5385335, 10770670, 21541340]

約数ペア:

[(1, 21541340), (2, 10770670), (4, 5385335), (5, 4308268), (10, 2154134), (20, 1077067), (23, 936580), (46, 468290), (92, 234145), (115, 187316), (230, 93658), (460, 46829)]