21090184

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49741}}^1$

素因数の和:49800

約数の個数: 16

約数和(自身を含む): 40291020

約数和(自身を除く): 19200836

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49741, 99482, 198964, 397928, 2636273, 5272546, 10545092, 21090184]

約数ペア:

[(1, 21090184), (2, 10545092), (4, 5272546), (8, 2636273), (53, 397928), (106, 198964), (212, 99482), (424, 49741)]