21996226

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{22129}}^1$

素因数の和:22209

約数の個数: 16

約数和(自身を含む): 38240640

約数和(自身を除く): 16244414

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 22129, 44258, 154903, 309806, 1571159, 3142318, 10998113, 21996226]

約数ペア:

[(1, 21996226), (2, 10998113), (7, 3142318), (14, 1571159), (71, 309806), (142, 154903), (497, 44258), (994, 22129)]