21329008

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{16061}}^1$

素因数の和:16152

約数の個数: 20

約数和(自身を含む): 41825448

約数和(自身を除く): 20496440

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 16061, 32122, 64244, 128488, 256976, 1333063, 2666126, 5332252, 10664504, 21329008]

約数ペア:

[(1, 21329008), (2, 10664504), (4, 5332252), (8, 2666126), (16, 1333063), (83, 256976), (166, 128488), (332, 64244), (664, 32122), (1328, 16061)]