21864276

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28921}}^1$

素因数の和:28941

約数の個数: 48

約数和(自身を含む): 64785280

約数和(自身を除く): 42921004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28921, 57842, 86763, 115684, 173526, 202447, 260289, 347052, 404894, 520578, 607341, 780867, 809788, 1041156, 1214682, 1561734, 1822023, 2429364, 3123468, 3644046, 5466069, 7288092, 10932138, 21864276]

約数ペア:

[(1, 21864276), (2, 10932138), (3, 7288092), (4, 5466069), (6, 3644046), (7, 3123468), (9, 2429364), (12, 1822023), (14, 1561734), (18, 1214682), (21, 1041156), (27, 809788), (28, 780867), (36, 607341), (42, 520578), (54, 404894), (63, 347052), (84, 260289), (108, 202447), (126, 173526), (189, 115684), (252, 86763), (378, 57842), (756, 28921)]