2100020615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{133039}}^1$

素因数の和:133103

約数の個数: 32

約数和(自身を含む): 3218503680

約数和(自身を除く): 1118483065

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 1435, 2255, 3157, 15785, 133039, 665195, 931273, 1463429, 4656365, 5454599, 7317145, 10244003, 27272995, 38182193, 51220015, 60000589, 190910965, 300002945, 420004123, 2100020615]

約数ペア:

[(1, 2100020615), (5, 420004123), (7, 300002945), (11, 190910965), (35, 60000589), (41, 51220015), (55, 38182193), (77, 27272995), (205, 10244003), (287, 7317145), (385, 5454599), (451, 4656365), (1435, 1463429), (2255, 931273), (3157, 665195), (15785, 133039)]