21554884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2083}}^1$

素因数の和:2299

約数の個数: 24

約数和(自身を含む): 40846400

約数和(自身を除く): 19291516

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 2083, 2587, 4166, 5174, 8332, 10348, 27079, 54158, 108316, 414517, 829034, 1658068, 5388721, 10777442, 21554884]

約数ペア:

[(1, 21554884), (2, 10777442), (4, 5388721), (13, 1658068), (26, 829034), (52, 414517), (199, 108316), (398, 54158), (796, 27079), (2083, 10348), (2587, 8332), (4166, 5174)]