21886942

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{142123}}^1$

素因数の和:142143

約数の個数: 16

約数和(自身を含む): 40931712

約数和(自身を除く): 19044770

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 142123, 284246, 994861, 1563353, 1989722, 3126706, 10943471, 21886942]

約数ペア:

[(1, 21886942), (2, 10943471), (7, 3126706), (11, 1989722), (14, 1563353), (22, 994861), (77, 284246), (154, 142123)]