21429104

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12517}}^1$

素因数の和:12632

約数の個数: 20

約数和(自身を含む): 41910264

約数和(自身を除く): 20481160

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12517, 25034, 50068, 100136, 200272, 1339319, 2678638, 5357276, 10714552, 21429104]

約数ペア:

[(1, 21429104), (2, 10714552), (4, 5357276), (8, 2678638), (16, 1339319), (107, 200272), (214, 100136), (428, 50068), (856, 25034), (1712, 12517)]