21434776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243577}}^1$

素因数の和:243594

約数の個数: 16

約数和(自身を含む): 43844040

約数和(自身を除く): 22409264

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243577, 487154, 974308, 1948616, 2679347, 5358694, 10717388, 21434776]

約数ペア:

[(1, 21434776), (2, 10717388), (4, 5358694), (8, 2679347), (11, 1948616), (22, 974308), (44, 487154), (88, 243577)]