21906992

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10781}}^1$

素因数の和:10916

約数の個数: 20

約数和(自身を含む): 42782976

約数和(自身を除く): 20875984

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10781, 21562, 43124, 86248, 172496, 1369187, 2738374, 5476748, 10953496, 21906992]

約数ペア:

[(1, 21906992), (2, 10953496), (4, 5476748), (8, 2738374), (16, 1369187), (127, 172496), (254, 86248), (508, 43124), (1016, 21562), (2032, 10781)]