21791097

素因数分解:

$3^2\times {\mathrm{23}}^3\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 24

約数和(自身を含む): 33072000

約数和(自身を除く): 11280903

約数列:

[1, 3, 9, 23, 69, 199, 207, 529, 597, 1587, 1791, 4577, 4761, 12167, 13731, 36501, 41193, 105271, 109503, 315813, 947439, 2421233, 7263699, 21791097]

約数ペア:

[(1, 21791097), (3, 7263699), (9, 2421233), (23, 947439), (69, 315813), (199, 109503), (207, 105271), (529, 41193), (597, 36501), (1587, 13731), (1791, 12167), (4577, 4761)]