21016743

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37463}}^1$

素因数の和:37494

約数の個数: 16

約数和(自身を含む): 32368896

約数和(自身を除く): 11352153

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37463, 112389, 412093, 636871, 1236279, 1910613, 7005581, 21016743]

約数ペア:

[(1, 21016743), (3, 7005581), (11, 1910613), (17, 1236279), (33, 636871), (51, 412093), (187, 112389), (561, 37463)]