21526670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{195697}}^1$

素因数の和:195715

約数の個数: 16

約数和(自身を含む): 42270768

約数和(自身を除く): 20744098

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 195697, 391394, 978485, 1956970, 2152667, 4305334, 10763335, 21526670]

約数ペア:

[(1, 21526670), (2, 10763335), (5, 4305334), (10, 2152667), (11, 1956970), (22, 978485), (55, 391394), (110, 195697)]