21989014762

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7993}}^1\times {\mathrm{9619}}^1$

素因数の和:17638

約数の個数: 32

約数和(自身を含む): 38758749120

約数和(自身を除く): 16769734358

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 7993, 9619, 15986, 19238, 87923, 103909, 105809, 125047, 175846, 207818, 211618, 250094, 1142999, 1375517, 2285998, 2751034, 76884667, 153769334, 845731337, 999500671, 1691462674, 1999001342, 10994507381, 21989014762]

約数ペア:

[(1, 21989014762), (2, 10994507381), (11, 1999001342), (13, 1691462674), (22, 999500671), (26, 845731337), (143, 153769334), (286, 76884667), (7993, 2751034), (9619, 2285998), (15986, 1375517), (19238, 1142999), (87923, 250094), (103909, 211618), (105809, 207818), (125047, 175846)]