2021855661

素因数分解:

$3^4\times 7^1\times {\mathrm{641}}^1\times {\mathrm{5563}}^1$

素因数の和:6223

約数の個数: 40

約数和(自身を含む): 3457781184

約数和(自身を除く): 1435925523

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 641, 1923, 4487, 5563, 5769, 13461, 16689, 17307, 38941, 40383, 50067, 51921, 116823, 121149, 150201, 350469, 363447, 450603, 1051407, 3154221, 3565883, 10697649, 24961181, 32092947, 74883543, 96278841, 224650629, 288836523, 673951887, 2021855661]

約数ペア:

[(1, 2021855661), (3, 673951887), (7, 288836523), (9, 224650629), (21, 96278841), (27, 74883543), (63, 32092947), (81, 24961181), (189, 10697649), (567, 3565883), (641, 3154221), (1923, 1051407), (4487, 450603), (5563, 363447), (5769, 350469), (13461, 150201), (16689, 121149), (17307, 116823), (38941, 51921), (40383, 50067)]