21342643

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6977}}^1$

素因数の和:7026

約数の個数: 16

約数和(自身を含む): 26795520

約数和(自身を除く): 5452877

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6977, 48839, 132563, 160471, 927941, 1123297, 3048949, 21342643]

約数ペア:

[(1, 21342643), (7, 3048949), (19, 1123297), (23, 927941), (133, 160471), (161, 132563), (437, 48839), (3059, 6977)]