21797426

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21929}}^1$

素因数の和:22009

約数の個数: 16

約数和(自身を含む): 37895040

約数和(自身を除く): 16097614

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 21929, 43858, 153503, 307006, 1556959, 3113918, 10898713, 21797426]

約数ペア:

[(1, 21797426), (2, 10898713), (7, 3113918), (14, 1556959), (71, 307006), (142, 153503), (497, 43858), (994, 21929)]