21077348530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{394633}}^1$

素因数の和:394763

約数の個数: 48

約数和(自身を含む): 44538393240

約数和(自身を除く): 23461044710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 490, 545, 763, 1090, 1526, 3815, 5341, 7630, 10682, 26705, 53410, 394633, 789266, 1973165, 2762431, 3946330, 5524862, 13812155, 19337017, 27624310, 38674034, 43014997, 86029994, 96685085, 193370170, 215074985, 301104979, 430149970, 602209958, 1505524895, 2107734853, 3011049790, 4215469706, 10538674265, 21077348530]

約数ペア:

[(1, 21077348530), (2, 10538674265), (5, 4215469706), (7, 3011049790), (10, 2107734853), (14, 1505524895), (35, 602209958), (49, 430149970), (70, 301104979), (98, 215074985), (109, 193370170), (218, 96685085), (245, 86029994), (490, 43014997), (545, 38674034), (763, 27624310), (1090, 19337017), (1526, 13812155), (3815, 5524862), (5341, 3946330), (7630, 2762431), (10682, 1973165), (26705, 789266), (53410, 394633)]