21131462044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3119}}^1\times {\mathrm{21997}}^1$

素因数の和:25138

約数の個数: 48

約数和(自身を含む): 46121886720

約数和(自身を除く): 24990424676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 3119, 6238, 12476, 21833, 21997, 34309, 43666, 43994, 68618, 87332, 87988, 137236, 153979, 240163, 241967, 307958, 480326, 483934, 615916, 960652, 967868, 1693769, 3387538, 6775076, 68608643, 137217286, 274434572, 480260501, 754695073, 960521002, 1509390146, 1921042004, 3018780292, 5282865511, 10565731022, 21131462044]

約数ペア:

[(1, 21131462044), (2, 10565731022), (4, 5282865511), (7, 3018780292), (11, 1921042004), (14, 1509390146), (22, 960521002), (28, 754695073), (44, 480260501), (77, 274434572), (154, 137217286), (308, 68608643), (3119, 6775076), (6238, 3387538), (12476, 1693769), (21833, 967868), (21997, 960652), (34309, 615916), (43666, 483934), (43994, 480326), (68618, 307958), (87332, 241967), (87988, 240163), (137236, 153979)]