21768552

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1789}}^1$

素因数の和:1827

約数の個数: 72

約数和(自身を含む): 63876150

約数和(自身を除く): 42107598

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1789, 2028, 3042, 3578, 4056, 5367, 6084, 7156, 10734, 12168, 14312, 16101, 21468, 23257, 32202, 42936, 46514, 64404, 69771, 93028, 128808, 139542, 186056, 209313, 279084, 302341, 418626, 558168, 604682, 837252, 907023, 1209364, 1674504, 1814046, 2418728, 2721069, 3628092, 5442138, 7256184, 10884276, 21768552]

約数ペア:

[(1, 21768552), (2, 10884276), (3, 7256184), (4, 5442138), (6, 3628092), (8, 2721069), (9, 2418728), (12, 1814046), (13, 1674504), (18, 1209364), (24, 907023), (26, 837252), (36, 604682), (39, 558168), (52, 418626), (72, 302341), (78, 279084), (104, 209313), (117, 186056), (156, 139542), (169, 128808), (234, 93028), (312, 69771), (338, 64404), (468, 46514), (507, 42936), (676, 32202), (936, 23257), (1014, 21468), (1352, 16101), (1521, 14312), (1789, 12168), (2028, 10734), (3042, 7156), (3578, 6084), (4056, 5367)]