21106834

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79349}}^1$

素因数の和:79377

約数の個数: 16

約数和(自身を含む): 38088000

約数和(自身を除く): 16981166

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79349, 158698, 555443, 1110886, 1507631, 3015262, 10553417, 21106834]

約数ペア:

[(1, 21106834), (2, 10553417), (7, 3015262), (14, 1507631), (19, 1110886), (38, 555443), (133, 158698), (266, 79349)]