21950884

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 39096288

約数和(自身を除く): 17145404

約数列:

[1, 2, 4, 131, 163, 257, 262, 326, 514, 524, 652, 1028, 21353, 33667, 41891, 42706, 67334, 83782, 85412, 134668, 167564, 5487721, 10975442, 21950884]

約数ペア:

[(1, 21950884), (2, 10975442), (4, 5487721), (131, 167564), (163, 134668), (257, 85412), (262, 83782), (326, 67334), (514, 42706), (524, 41891), (652, 33667), (1028, 21353)]