21013594

素因数分解:

$2^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1789}}^1$

素因数の和:2637

約数の個数: 16

約数和(自身を含む): 36086400

約数和(自身を除く): 15072806

約数列:

[1, 2, 7, 14, 839, 1678, 1789, 3578, 5873, 11746, 12523, 25046, 1500971, 3001942, 10506797, 21013594]

約数ペア:

[(1, 21013594), (2, 10506797), (7, 3001942), (14, 1500971), (839, 25046), (1678, 12523), (1789, 11746), (3578, 5873)]