21714544

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{12451}}^1$

素因数の和:12568

約数の個数: 20

約数和(自身を含む): 42461320

約数和(自身を除く): 20746776

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 12451, 24902, 49804, 99608, 199216, 1357159, 2714318, 5428636, 10857272, 21714544]

約数ペア:

[(1, 21714544), (2, 10857272), (4, 5428636), (8, 2714318), (16, 1357159), (109, 199216), (218, 99608), (436, 49804), (872, 24902), (1744, 12451)]