2021821137

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1\times {\mathrm{919}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 3416924160

約数和(自身を除く): 1395103023

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 743, 919, 987, 2229, 2757, 2961, 5201, 6433, 6687, 8271, 15603, 19299, 34921, 43193, 46809, 57897, 104763, 129579, 244447, 302351, 314289, 388737, 682817, 733341, 907053, 2048451, 2200023, 2721159, 4779719, 6145353, 14339157, 32092399, 43017471, 96277197, 224646793, 288831591, 673940379, 2021821137]

約数ペア:

[(1, 2021821137), (3, 673940379), (7, 288831591), (9, 224646793), (21, 96277197), (47, 43017471), (63, 32092399), (141, 14339157), (329, 6145353), (423, 4779719), (743, 2721159), (919, 2200023), (987, 2048451), (2229, 907053), (2757, 733341), (2961, 682817), (5201, 388737), (6433, 314289), (6687, 302351), (8271, 244447), (15603, 129579), (19299, 104763), (34921, 57897), (43193, 46809)]