21097461

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91331}}^1$

素因数の和:91352

約数の個数: 16

約数和(自身を含む): 35071488

約数和(自身を除く): 13974027

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 91331, 273993, 639317, 1004641, 1917951, 3013923, 7032487, 21097461]

約数ペア:

[(1, 21097461), (3, 7032487), (7, 3013923), (11, 1917951), (21, 1004641), (33, 639317), (77, 273993), (231, 91331)]