21758864

素因数分解:

$2^4\times {\mathrm{41}}^2\times {\mathrm{809}}^1$

素因数の和:899

約数の個数: 30

約数和(自身を含む): 43264530

約数和(自身を除く): 21505666

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 809, 1618, 1681, 3236, 3362, 6472, 6724, 12944, 13448, 26896, 33169, 66338, 132676, 265352, 530704, 1359929, 2719858, 5439716, 10879432, 21758864]

約数ペア:

[(1, 21758864), (2, 10879432), (4, 5439716), (8, 2719858), (16, 1359929), (41, 530704), (82, 265352), (164, 132676), (328, 66338), (656, 33169), (809, 26896), (1618, 13448), (1681, 12944), (3236, 6724), (3362, 6472)]