21274256

素因数分解:

$2^4\times {\mathrm{367}}^1\times {\mathrm{3623}}^1$

素因数の和:3998

約数の個数: 20

約数和(自身を含む): 41342592

約数和(自身を除く): 20068336

約数列:

[1, 2, 4, 8, 16, 367, 734, 1468, 2936, 3623, 5872, 7246, 14492, 28984, 57968, 1329641, 2659282, 5318564, 10637128, 21274256]

約数ペア:

[(1, 21274256), (2, 10637128), (4, 5318564), (8, 2659282), (16, 1329641), (367, 57968), (734, 28984), (1468, 14492), (2936, 7246), (3623, 5872)]