210940994

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{871657}}^1$

素因数の和:871681

約数の個数: 12

約数和(自身を含む): 347791542

約数和(自身を除く): 136850548

約数列:

[1, 2, 11, 22, 121, 242, 871657, 1743314, 9588227, 19176454, 105470497, 210940994]

約数ペア:

[(1, 210940994), (2, 105470497), (11, 19176454), (22, 9588227), (121, 1743314), (242, 871657)]