21344268

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1667}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 54923904

約数和(自身を除く): 33579636

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 97, 132, 194, 291, 388, 582, 1067, 1164, 1667, 2134, 3201, 3334, 4268, 5001, 6402, 6668, 10002, 12804, 18337, 20004, 36674, 55011, 73348, 110022, 161699, 220044, 323398, 485097, 646796, 970194, 1778689, 1940388, 3557378, 5336067, 7114756, 10672134, 21344268]

約数ペア:

[(1, 21344268), (2, 10672134), (3, 7114756), (4, 5336067), (6, 3557378), (11, 1940388), (12, 1778689), (22, 970194), (33, 646796), (44, 485097), (66, 323398), (97, 220044), (132, 161699), (194, 110022), (291, 73348), (388, 55011), (582, 36674), (1067, 20004), (1164, 18337), (1667, 12804), (2134, 10002), (3201, 6668), (3334, 6402), (4268, 5001)]