21052383

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27737}}^1$

素因数の和:27774

約数の個数: 16

約数和(自身を含む): 31954176

約数和(自身を除く): 10901793

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27737, 83211, 305107, 637951, 915321, 1913853, 7017461, 21052383]

約数ペア:

[(1, 21052383), (3, 7017461), (11, 1913853), (23, 915321), (33, 637951), (69, 305107), (253, 83211), (759, 27737)]