21692770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197207}}^1$

素因数の和:197225

約数の個数: 16

約数和(自身を含む): 42596928

約数和(自身を除く): 20904158

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197207, 394414, 986035, 1972070, 2169277, 4338554, 10846385, 21692770]

約数ペア:

[(1, 21692770), (2, 10846385), (5, 4338554), (10, 2169277), (11, 1972070), (22, 986035), (55, 394414), (110, 197207)]