21204238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20507}}^1$

素因数の和:20567

約数の個数: 16

約数和(自身を含む): 35437824

約数和(自身を除く): 14233586

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20507, 41014, 225577, 451154, 963829, 1927658, 10602119, 21204238]

約数ペア:

[(1, 21204238), (2, 10602119), (11, 1927658), (22, 963829), (47, 451154), (94, 225577), (517, 41014), (1034, 20507)]