21829648

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{12517}}^1$

素因数の和:12634

約数の個数: 20

約数和(自身を含む): 42686380

約数和(自身を除く): 20856732

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 12517, 25034, 50068, 100136, 200272, 1364353, 2728706, 5457412, 10914824, 21829648]

約数ペア:

[(1, 21829648), (2, 10914824), (4, 5457412), (8, 2728706), (16, 1364353), (109, 200272), (218, 100136), (436, 50068), (872, 25034), (1744, 12517)]