21100970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191827}}^1$

素因数の和:191845

約数の個数: 16

約数和(自身を含む): 41434848

約数和(自身を除く): 20333878

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191827, 383654, 959135, 1918270, 2110097, 4220194, 10550485, 21100970]

約数ペア:

[(1, 21100970), (2, 10550485), (5, 4220194), (10, 2110097), (11, 1918270), (22, 959135), (55, 383654), (110, 191827)]