21414429

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{5323}}^1$

素因数の和:5481

約数の個数: 16

約数和(自身を含む): 31944000

約数和(自身を除く): 10529571

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 5323, 15969, 47907, 143721, 793127, 2379381, 7138143, 21414429]

約数ペア:

[(1, 21414429), (3, 7138143), (9, 2379381), (27, 793127), (149, 143721), (447, 47907), (1341, 15969), (4023, 5323)]