21694036

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 47246976

約数和(自身を除く): 25552940

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 364, 428, 557, 749, 1114, 1391, 1498, 2228, 2782, 2996, 3899, 5564, 7241, 7798, 9737, 14482, 15596, 19474, 28964, 38948, 50687, 59599, 101374, 119198, 202748, 238396, 417193, 774787, 834386, 1549574, 1668772, 3099148, 5423509, 10847018, 21694036]

約数ペア:

[(1, 21694036), (2, 10847018), (4, 5423509), (7, 3099148), (13, 1668772), (14, 1549574), (26, 834386), (28, 774787), (52, 417193), (91, 238396), (107, 202748), (182, 119198), (214, 101374), (364, 59599), (428, 50687), (557, 38948), (749, 28964), (1114, 19474), (1391, 15596), (1498, 14482), (2228, 9737), (2782, 7798), (2996, 7241), (3899, 5564)]