21678552

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43013}}^1$

素因数の和:43032

約数の個数: 48

約数和(自身を含む): 67101840

約数和(自身を除く): 45423288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 43013, 86026, 129039, 172052, 258078, 301091, 344104, 387117, 516156, 602182, 774234, 903273, 1032312, 1204364, 1548468, 1806546, 2408728, 2709819, 3096936, 3613092, 5419638, 7226184, 10839276, 21678552]

約数ペア:

[(1, 21678552), (2, 10839276), (3, 7226184), (4, 5419638), (6, 3613092), (7, 3096936), (8, 2709819), (9, 2408728), (12, 1806546), (14, 1548468), (18, 1204364), (21, 1032312), (24, 903273), (28, 774234), (36, 602182), (42, 516156), (56, 387117), (63, 344104), (72, 301091), (84, 258078), (126, 172052), (168, 129039), (252, 86026), (504, 43013)]