21356698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{829}}^1\times {\mathrm{1171}}^1$

素因数の和:2013

約数の個数: 16

約数和(自身を含む): 35019360

約数和(自身を除く): 13662662

約数列:

[1, 2, 11, 22, 829, 1171, 1658, 2342, 9119, 12881, 18238, 25762, 970759, 1941518, 10678349, 21356698]

約数ペア:

[(1, 21356698), (2, 10678349), (11, 1941518), (22, 970759), (829, 25762), (1171, 18238), (1658, 12881), (2342, 9119)]