21006172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25127}}^1$

素因数の和:25161

約数の個数: 24

約数和(自身を含む): 42215040

約数和(自身を除く): 21208868

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25127, 50254, 100508, 276397, 477413, 552794, 954826, 1105588, 1909652, 5251543, 10503086, 21006172]

約数ペア:

[(1, 21006172), (2, 10503086), (4, 5251543), (11, 1909652), (19, 1105588), (22, 954826), (38, 552794), (44, 477413), (76, 276397), (209, 100508), (418, 50254), (836, 25127)]