21958096

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{2141}}^1$

素因数の和:2790

約数の個数: 20

約数和(自身を含む): 42630084

約数和(自身を除く): 20671988

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2141, 2564, 4282, 5128, 8564, 10256, 17128, 34256, 1372381, 2744762, 5489524, 10979048, 21958096]

約数ペア:

[(1, 21958096), (2, 10979048), (4, 5489524), (8, 2744762), (16, 1372381), (641, 34256), (1282, 17128), (2141, 10256), (2564, 8564), (4282, 5128)]