213004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 419328

約数和(自身を除く): 206324

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 103, 188, 206, 412, 517, 1034, 1133, 2068, 2266, 4532, 4841, 9682, 19364, 53251, 106502, 213004]

約数ペア:

[(1, 213004), (2, 106502), (4, 53251), (11, 19364), (22, 9682), (44, 4841), (47, 4532), (94, 2266), (103, 2068), (188, 1133), (206, 1034), (412, 517)]