21898754

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 15166846

約数列:

[1, 2, 17, 19, 34, 38, 109, 218, 311, 323, 622, 646, 1853, 2071, 3706, 4142, 5287, 5909, 10574, 11818, 33899, 35207, 67798, 70414, 100453, 200906, 576283, 644081, 1152566, 1288162, 10949377, 21898754]

約数ペア:

[(1, 21898754), (2, 10949377), (17, 1288162), (19, 1152566), (34, 644081), (38, 576283), (109, 200906), (218, 100453), (311, 70414), (323, 67798), (622, 35207), (646, 33899), (1853, 11818), (2071, 10574), (3706, 5909), (4142, 5287)]