21373899

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1627}}^1$

素因数の和:1810

約数の個数: 16

約数和(自身を含む): 29694720

約数和(自身を除く): 8320821

約数列:

[1, 3, 29, 87, 151, 453, 1627, 4379, 4881, 13137, 47183, 141549, 245677, 737031, 7124633, 21373899]

約数ペア:

[(1, 21373899), (3, 7124633), (29, 737031), (87, 245677), (151, 141549), (453, 47183), (1627, 13137), (4379, 4881)]