21135276

素因数分解:

$2^2\times 3^3\times {\mathrm{195697}}^1$

素因数の和:195710

約数の個数: 24

約数和(自身を含む): 54795440

約数和(自身を除く): 33660164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 195697, 391394, 587091, 782788, 1174182, 1761273, 2348364, 3522546, 5283819, 7045092, 10567638, 21135276]

約数ペア:

[(1, 21135276), (2, 10567638), (3, 7045092), (4, 5283819), (6, 3522546), (9, 2348364), (12, 1761273), (18, 1174182), (27, 782788), (36, 587091), (54, 391394), (108, 195697)]