21467690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{24121}}^1$

素因数の和:24217

約数の個数: 16

約数和(自身を含む): 39077640

約数和(自身を除く): 17609950

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 24121, 48242, 120605, 241210, 2146769, 4293538, 10733845, 21467690]

約数ペア:

[(1, 21467690), (2, 10733845), (5, 4293538), (10, 2146769), (89, 241210), (178, 120605), (445, 48242), (890, 24121)]