21556674

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27851}}^1$

素因数の和:27902

約数の個数: 24

約数和(自身を含む): 47794032

約数和(自身を除く): 26237358

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27851, 55702, 83553, 167106, 250659, 501318, 1197593, 2395186, 3592779, 7185558, 10778337, 21556674]

約数ペア:

[(1, 21556674), (2, 10778337), (3, 7185558), (6, 3592779), (9, 2395186), (18, 1197593), (43, 501318), (86, 250659), (129, 167106), (258, 83553), (387, 55702), (774, 27851)]