2139764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{4421}}^1$

素因数の和:4447

約数の個数: 18

約数和(自身を含む): 4116882

約数和(自身を除く): 1977118

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 4421, 8842, 17684, 48631, 97262, 194524, 534941, 1069882, 2139764]

約数ペア:

[(1, 2139764), (2, 1069882), (4, 534941), (11, 194524), (22, 97262), (44, 48631), (121, 17684), (242, 8842), (484, 4421)]