21400157212

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24654559}}^1$

素因数の和:24654601

約数の個数: 24

約数和(自身を含む): 44180971520

約数和(自身を除く): 22780814308

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24654559, 49309118, 98618236, 172581913, 345163826, 690327652, 764291329, 1528582658, 3057165316, 5350039303, 10700078606, 21400157212]

約数ペア:

[(1, 21400157212), (2, 10700078606), (4, 5350039303), (7, 3057165316), (14, 1528582658), (28, 764291329), (31, 690327652), (62, 345163826), (124, 172581913), (217, 98618236), (434, 49309118), (868, 24654559)]