20921380863

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{9629}}^1\times {\mathrm{16843}}^1$

素因数の和:26518

約数の個数: 16

約数和(自身を含む): 28548558720

約数和(自身を除く): 7627177857

約数列:

[1, 3, 43, 129, 9629, 16843, 28887, 50529, 414047, 724249, 1242141, 2172747, 162181247, 486543741, 6973793621, 20921380863]

約数ペア:

[(1, 20921380863), (3, 6973793621), (43, 486543741), (129, 162181247), (9629, 2172747), (16843, 1242141), (28887, 724249), (50529, 414047)]