21528896

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7823}}^1$

素因数の和:7878

約数の個数: 28

約数和(自身を含む): 43720512

約数和(自身を除く): 22191616

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7823, 15646, 31292, 62584, 125168, 250336, 336389, 500672, 672778, 1345556, 2691112, 5382224, 10764448, 21528896]

約数ペア:

[(1, 21528896), (2, 10764448), (4, 5382224), (8, 2691112), (16, 1345556), (32, 672778), (43, 500672), (64, 336389), (86, 250336), (172, 125168), (344, 62584), (688, 31292), (1376, 15646), (2752, 7823)]