21076970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91639}}^1$

素因数の和:91669

約数の個数: 16

約数和(自身を含む): 39588480

約数和(自身を除く): 18511510

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91639, 183278, 458195, 916390, 2107697, 4215394, 10538485, 21076970]

約数ペア:

[(1, 21076970), (2, 10538485), (5, 4215394), (10, 2107697), (23, 916390), (46, 458195), (115, 183278), (230, 91639)]