21291932

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{997}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 39401040

約数和(自身を除く): 18109108

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 997, 1124, 1994, 3988, 5339, 10678, 18943, 21356, 37886, 75772, 280157, 560314, 1120628, 5322983, 10645966, 21291932]

約数ペア:

[(1, 21291932), (2, 10645966), (4, 5322983), (19, 1120628), (38, 560314), (76, 280157), (281, 75772), (562, 37886), (997, 21356), (1124, 18943), (1994, 10678), (3988, 5339)]