21381633

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26107}}^1$

素因数の和:26133

約数の個数: 24

約数和(自身を含む): 38013248

約数和(自身を除く): 16631615

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 26107, 78321, 182749, 234963, 339391, 548247, 1018173, 1644741, 2375737, 3054519, 7127211, 21381633]

約数ペア:

[(1, 21381633), (3, 7127211), (7, 3054519), (9, 2375737), (13, 1644741), (21, 1018173), (39, 548247), (63, 339391), (91, 234963), (117, 182749), (273, 78321), (819, 26107)]