21190484

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24413}}^1$

素因数の和:24455

約数の個数: 24

約数和(自身を含む): 43749888

約数和(自身を除く): 22559404

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24413, 48826, 97652, 170891, 341782, 683564, 756803, 1513606, 3027212, 5297621, 10595242, 21190484]

約数ペア:

[(1, 21190484), (2, 10595242), (4, 5297621), (7, 3027212), (14, 1513606), (28, 756803), (31, 683564), (62, 341782), (124, 170891), (217, 97652), (434, 48826), (868, 24413)]