21135237

素因数分解:

$3^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 28625088

約数和(自身を除く): 7489851

約数列:

[1, 3, 173, 193, 211, 519, 579, 633, 33389, 36503, 40723, 100167, 109509, 122169, 7045079, 21135237]

約数ペア:

[(1, 21135237), (3, 7045079), (173, 122169), (193, 109509), (211, 100167), (519, 40723), (579, 36503), (633, 33389)]