21029954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7297}}^1$

素因数の和:7441

約数の個数: 16

約数和(自身を含む): 34680096

約数和(自身を除く): 13650142

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7297, 14594, 80267, 160534, 955907, 1911814, 10514977, 21029954]

約数ペア:

[(1, 21029954), (2, 10514977), (11, 1911814), (22, 955907), (131, 160534), (262, 80267), (1441, 14594), (2882, 7297)]