21738082

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 24

約数和(自身を含む): 34864128

約数和(自身を除く): 13126046

約数列:

[1, 2, 23, 46, 61, 122, 127, 254, 1403, 2806, 2921, 3721, 5842, 7442, 7747, 15494, 85583, 171166, 178181, 356362, 472567, 945134, 10869041, 21738082]

約数ペア:

[(1, 21738082), (2, 10869041), (23, 945134), (46, 472567), (61, 356362), (122, 178181), (127, 171166), (254, 85583), (1403, 15494), (2806, 7747), (2921, 7442), (3721, 5842)]