21093832

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3989}}^1$

素因数の和:4656

約数の個数: 16

約数和(自身を含む): 39620700

約数和(自身を除く): 18526868

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 3989, 5288, 7978, 15956, 31912, 2636729, 5273458, 10546916, 21093832]

約数ペア:

[(1, 21093832), (2, 10546916), (4, 5273458), (8, 2636729), (661, 31912), (1322, 15956), (2644, 7978), (3989, 5288)]