21055286

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22447}}^1$

素因数の和:22523

約数の個数: 16

約数和(自身を含む): 36635136

約数和(自身を除く): 15579850

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 22447, 44894, 157129, 314258, 1503949, 3007898, 10527643, 21055286]

約数ペア:

[(1, 21055286), (2, 10527643), (7, 3007898), (14, 1503949), (67, 314258), (134, 157129), (469, 44894), (938, 22447)]