21941170

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^2\times {\mathrm{277}}^1$

素因数の和:462

約数の個数: 24

約数和(自身を含む): 40087044

約数和(自身を除く): 18145874

約数列:

[1, 2, 5, 10, 89, 178, 277, 445, 554, 890, 1385, 2770, 7921, 15842, 24653, 39605, 49306, 79210, 123265, 246530, 2194117, 4388234, 10970585, 21941170]

約数ペア:

[(1, 21941170), (2, 10970585), (5, 4388234), (10, 2194117), (89, 246530), (178, 123265), (277, 79210), (445, 49306), (554, 39605), (890, 24653), (1385, 15842), (2770, 7921)]