21747986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{1009}}^1$

素因数の和:1853

約数の個数: 16

約数和(自身を含む): 35208600

約数和(自身を除く): 13460614

約数列:

[1, 2, 13, 26, 829, 1009, 1658, 2018, 10777, 13117, 21554, 26234, 836461, 1672922, 10873993, 21747986]

約数ペア:

[(1, 21747986), (2, 10873993), (13, 1672922), (26, 836461), (829, 26234), (1009, 21554), (1658, 13117), (2018, 10777)]