21098889

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14561}}^1$

素因数の和:14597

約数の個数: 24

約数和(自身を含む): 36346752

約数和(自身を除く): 15247863

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14561, 43683, 101927, 131049, 305781, 334903, 917343, 1004709, 2344321, 3014127, 7032963, 21098889]

約数ペア:

[(1, 21098889), (3, 7032963), (7, 3014127), (9, 2344321), (21, 1004709), (23, 917343), (63, 334903), (69, 305781), (161, 131049), (207, 101927), (483, 43683), (1449, 14561)]