21398889602

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{2765429}}^1$

素因数の和:2765557

約数の個数: 16

約数和(自身を含む): 33151974840

約数和(自身を除く): 11753085238

約数列:

[1, 2, 53, 73, 106, 146, 3869, 7738, 2765429, 5530858, 146567737, 201876317, 293135474, 403752634, 10699444801, 21398889602]

約数ペア:

[(1, 21398889602), (2, 10699444801), (53, 403752634), (73, 293135474), (106, 201876317), (146, 146567737), (3869, 5530858), (7738, 2765429)]