21701020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98641}}^1$

素因数の和:98661

約数の個数: 24

約数和(自身を含む): 49715568

約数和(自身を除く): 28014548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 98641, 197282, 394564, 493205, 986410, 1085051, 1972820, 2170102, 4340204, 5425255, 10850510, 21701020]

約数ペア:

[(1, 21701020), (2, 10850510), (4, 5425255), (5, 4340204), (10, 2170102), (11, 1972820), (20, 1085051), (22, 986410), (44, 493205), (55, 394564), (110, 197282), (220, 98641)]