21262525438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138068347}}^1$

素因数の和:138068367

約数の個数: 16

約数和(自身を含む): 39763684224

約数和(自身を除く): 18501158786

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 138068347, 276136694, 966478429, 1518751817, 1932956858, 3037503634, 10631262719, 21262525438]

約数ペア:

[(1, 21262525438), (2, 10631262719), (7, 3037503634), (11, 1932956858), (14, 1518751817), (22, 966478429), (77, 276136694), (154, 138068347)]