21813278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{22123}}^1$

素因数の和:22171

約数の個数: 16

約数和(自身を含む): 35840880

約数和(自身を除く): 14027602

約数列:

[1, 2, 17, 29, 34, 58, 493, 986, 22123, 44246, 376091, 641567, 752182, 1283134, 10906639, 21813278]

約数ペア:

[(1, 21813278), (2, 10906639), (17, 1283134), (29, 752182), (34, 641567), (58, 376091), (493, 44246), (986, 22123)]