21556902

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{67789}}^1$

素因数の和:67847

約数の個数: 16

約数和(自身を含む): 43927920

約数和(自身を除く): 22371018

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 67789, 135578, 203367, 406734, 3592817, 7185634, 10778451, 21556902]

約数ペア:

[(1, 21556902), (2, 10778451), (3, 7185634), (6, 3592817), (53, 406734), (106, 203367), (159, 135578), (318, 67789)]