21453094

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 14351066

約数列:

[1, 2, 13, 26, 73, 89, 127, 146, 178, 254, 949, 1157, 1651, 1898, 2314, 3302, 6497, 9271, 11303, 12994, 18542, 22606, 84461, 120523, 146939, 168922, 241046, 293878, 825119, 1650238, 10726547, 21453094]

約数ペア:

[(1, 21453094), (2, 10726547), (13, 1650238), (26, 825119), (73, 293878), (89, 241046), (127, 168922), (146, 146939), (178, 120523), (254, 84461), (949, 22606), (1157, 18542), (1651, 12994), (1898, 11303), (2314, 9271), (3302, 6497)]