21132892

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1002

約数の個数: 36

約数和(自身を含む): 41559840

約数和(自身を除く): 20426948

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 242, 484, 517, 929, 1034, 1858, 2068, 3716, 5687, 10219, 11374, 20438, 22748, 40876, 43663, 87326, 112409, 174652, 224818, 449636, 480293, 960586, 1921172, 5283223, 10566446, 21132892]

約数ペア:

[(1, 21132892), (2, 10566446), (4, 5283223), (11, 1921172), (22, 960586), (44, 480293), (47, 449636), (94, 224818), (121, 174652), (188, 112409), (242, 87326), (484, 43663), (517, 40876), (929, 22748), (1034, 20438), (1858, 11374), (2068, 10219), (3716, 5687)]