21807368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{247811}}^1$

素因数の和:247828

約数の個数: 16

約数和(自身を含む): 44606160

約数和(自身を除く): 22798792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 247811, 495622, 991244, 1982488, 2725921, 5451842, 10903684, 21807368]

約数ペア:

[(1, 21807368), (2, 10903684), (4, 5451842), (8, 2725921), (11, 1982488), (22, 991244), (44, 495622), (88, 247811)]