21126842

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{1303}}^1$

素因数の和:1394

約数の個数: 24

約数和(自身を含む): 35380128

約数和(自身を除く): 14253286

約数列:

[1, 2, 11, 22, 67, 121, 134, 242, 737, 1303, 1474, 2606, 8107, 14333, 16214, 28666, 87301, 157663, 174602, 315326, 960311, 1920622, 10563421, 21126842]

約数ペア:

[(1, 21126842), (2, 10563421), (11, 1920622), (22, 960311), (67, 315326), (121, 174602), (134, 157663), (242, 87301), (737, 28666), (1303, 16214), (1474, 14333), (2606, 8107)]