21943081

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 24336000

約数和(自身を除く): 2392919

約数列:

[1, 19, 23, 149, 337, 437, 2831, 3427, 6403, 7751, 50213, 65113, 147269, 954047, 1154899, 21943081]

約数ペア:

[(1, 21943081), (19, 1154899), (23, 954047), (149, 147269), (337, 65113), (437, 50213), (2831, 7751), (3427, 6403)]