21326452

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17713}}^1$

素因数の和:17767

約数の個数: 24

約数和(自身を含む): 43647296

約数和(自身を除く): 22320844

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17713, 35426, 70852, 123991, 247982, 495964, 761659, 1523318, 3046636, 5331613, 10663226, 21326452]

約数ペア:

[(1, 21326452), (2, 10663226), (4, 5331613), (7, 3046636), (14, 1523318), (28, 761659), (43, 495964), (86, 247982), (172, 123991), (301, 70852), (602, 35426), (1204, 17713)]