21865053

素因数分解:

$3^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{1259}}^1$

素因数の和:2096

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 11519907

約数列:

[1, 3, 7, 21, 827, 1259, 2481, 3777, 5789, 8813, 17367, 26439, 1041193, 3123579, 7288351, 21865053]

約数ペア:

[(1, 21865053), (3, 7288351), (7, 3123579), (21, 1041193), (827, 26439), (1259, 17367), (2481, 8813), (3777, 5789)]