21031592

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{36013}}^1$

素因数の和:36092

約数の個数: 16

約数和(自身を含む): 39975540

約数和(自身を除く): 18943948

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 36013, 72026, 144052, 288104, 2628949, 5257898, 10515796, 21031592]

約数ペア:

[(1, 21031592), (2, 10515796), (4, 5257898), (8, 2628949), (73, 288104), (146, 144052), (292, 72026), (584, 36013)]