213484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:129

約数の個数: 18

約数和(自身を含む): 400820

約数和(自身を除く): 187336

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 2809, 4028, 5618, 11236, 53371, 106742, 213484]

約数ペア:

[(1, 213484), (2, 106742), (4, 53371), (19, 11236), (38, 5618), (53, 4028), (76, 2809), (106, 2014), (212, 1007)]