21744166

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:839

約数の個数: 16

約数和(自身を含む): 33145200

約数和(自身を除く): 11401034

約数列:

[1, 2, 131, 149, 262, 298, 557, 1114, 19519, 39038, 72967, 82993, 145934, 165986, 10872083, 21744166]

約数ペア:

[(1, 21744166), (2, 10872083), (131, 165986), (149, 145934), (262, 82993), (298, 72967), (557, 39038), (1114, 19519)]