21132123

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2143}}^1$

素因数の和:2338

約数の個数: 16

約数和(自身を含む): 29844480

約数和(自身を除く): 8712357

約数列:

[1, 3, 19, 57, 173, 519, 2143, 3287, 6429, 9861, 40717, 122151, 370739, 1112217, 7044041, 21132123]

約数ペア:

[(1, 21132123), (3, 7044041), (19, 1112217), (57, 370739), (173, 122151), (519, 40717), (2143, 9861), (3287, 6429)]