2175784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{20921}}^1$

素因数の和:20940

約数の個数: 16

約数和(自身を含む): 4393620

約数和(自身を除く): 2217836

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 20921, 41842, 83684, 167368, 271973, 543946, 1087892, 2175784]

約数ペア:

[(1, 2175784), (2, 1087892), (4, 543946), (8, 271973), (13, 167368), (26, 83684), (52, 41842), (104, 20921)]