21491551119

素因数分解:

$3^1\times {\mathrm{919}}^1\times {\mathrm{1051}}^1\times {\mathrm{7417}}^1$

素因数の和:9390

約数の個数: 16

約数和(自身を含む): 28717748480

約数和(自身を除く): 7226197361

約数列:

[1, 3, 919, 1051, 2757, 3153, 7417, 22251, 965869, 2897607, 6816223, 7795267, 20448669, 23385801, 7163850373, 21491551119]

約数ペア:

[(1, 21491551119), (3, 7163850373), (919, 23385801), (1051, 20448669), (2757, 7795267), (3153, 6816223), (7417, 2897607), (22251, 965869)]