21122186

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4919}}^1$

素因数の和:5053

約数の個数: 16

約数和(自身を含む): 33652800

約数和(自身を除く): 12530614

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 4919, 9838, 93461, 186922, 555847, 1111694, 10561093, 21122186]

約数ペア:

[(1, 21122186), (2, 10561093), (19, 1111694), (38, 555847), (113, 186922), (226, 93461), (2147, 9838), (4294, 4919)]