2157188

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{4457}}^1$

素因数の和:4483

約数の個数: 18

約数和(自身を含む): 4150398

約数和(自身を除く): 1993210

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 4457, 8914, 17828, 49027, 98054, 196108, 539297, 1078594, 2157188]

約数ペア:

[(1, 2157188), (2, 1078594), (4, 539297), (11, 196108), (22, 98054), (44, 49027), (121, 17828), (242, 8914), (484, 4457)]