21360471

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9661}}^1$

素因数の和:9742

約数の個数: 16

約数和(自身を含む): 31536768

約数和(自身を除く): 10176297

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9661, 28983, 106271, 318813, 647287, 1941861, 7120157, 21360471]

約数ペア:

[(1, 21360471), (3, 7120157), (11, 1941861), (33, 647287), (67, 318813), (201, 106271), (737, 28983), (2211, 9661)]