21618564

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{823}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 55372800

約数和(自身を除く): 33754236

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 199, 398, 597, 796, 823, 1194, 1646, 2189, 2388, 2469, 3292, 4378, 4938, 6567, 8756, 9053, 9876, 13134, 18106, 26268, 27159, 36212, 54318, 108636, 163777, 327554, 491331, 655108, 982662, 1801547, 1965324, 3603094, 5404641, 7206188, 10809282, 21618564]

約数ペア:

[(1, 21618564), (2, 10809282), (3, 7206188), (4, 5404641), (6, 3603094), (11, 1965324), (12, 1801547), (22, 982662), (33, 655108), (44, 491331), (66, 327554), (132, 163777), (199, 108636), (398, 54318), (597, 36212), (796, 27159), (823, 26268), (1194, 18106), (1646, 13134), (2189, 9876), (2388, 9053), (2469, 8756), (3292, 6567), (4378, 4938)]