21714921

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4561}}^1$

素因数の和:4613

約数の個数: 18

約数和(自身を含む): 32796218

約数和(自身を除く): 11081297

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4561, 4761, 13683, 41049, 104903, 314709, 944127, 2412769, 7238307, 21714921]

約数ペア:

[(1, 21714921), (3, 7238307), (9, 2412769), (23, 944127), (69, 314709), (207, 104903), (529, 41049), (1587, 13683), (4561, 4761)]