21019782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500471}}^1$

素因数の和:500483

約数の個数: 16

約数和(自身を含む): 48045312

約数和(自身を除く): 27025530

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500471, 1000942, 1501413, 3002826, 3503297, 7006594, 10509891, 21019782]

約数ペア:

[(1, 21019782), (2, 10509891), (3, 7006594), (6, 3503297), (7, 3002826), (14, 1501413), (21, 1000942), (42, 500471)]