21378269

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 24011520

約数和(自身を除く): 2633251

約数列:

[1, 11, 73, 79, 337, 803, 869, 3707, 5767, 24601, 26623, 63437, 270611, 292853, 1943479, 21378269]

約数ペア:

[(1, 21378269), (11, 1943479), (73, 292853), (79, 270611), (337, 63437), (803, 26623), (869, 24601), (3707, 5767)]