21680342

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{8693}}^1$

素因数の和:8767

約数の個数: 16

約数和(自身を含む): 34428240

約数和(自身を除く): 12747898

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 8693, 17386, 252097, 373799, 504194, 747598, 10840171, 21680342]

約数ペア:

[(1, 21680342), (2, 10840171), (29, 747598), (43, 504194), (58, 373799), (86, 252097), (1247, 17386), (2494, 8693)]