21701968

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28859}}^1$

素因数の和:28914

約数の個数: 20

約数和(自身を含む): 42943680

約数和(自身を除く): 21241712

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28859, 57718, 115436, 230872, 461744, 1356373, 2712746, 5425492, 10850984, 21701968]

約数ペア:

[(1, 21701968), (2, 10850984), (4, 5425492), (8, 2712746), (16, 1356373), (47, 461744), (94, 230872), (188, 115436), (376, 57718), (752, 28859)]