21681626

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:749

約数の個数: 16

約数和(自身を含む): 33031680

約数和(自身を除く): 11350054

約数列:

[1, 2, 109, 218, 271, 367, 542, 734, 29539, 40003, 59078, 80006, 99457, 198914, 10840813, 21681626]

約数ペア:

[(1, 21681626), (2, 10840813), (109, 198914), (218, 99457), (271, 80006), (367, 59078), (542, 40003), (734, 29539)]