21037236

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{809}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 53887680

約数和(自身を除く): 32850444

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 197, 394, 591, 788, 809, 1182, 1618, 2167, 2364, 2427, 3236, 4334, 4854, 6501, 8668, 8899, 9708, 13002, 17798, 26004, 26697, 35596, 53394, 106788, 159373, 318746, 478119, 637492, 956238, 1753103, 1912476, 3506206, 5259309, 7012412, 10518618, 21037236]

約数ペア:

[(1, 21037236), (2, 10518618), (3, 7012412), (4, 5259309), (6, 3506206), (11, 1912476), (12, 1753103), (22, 956238), (33, 637492), (44, 478119), (66, 318746), (132, 159373), (197, 106788), (394, 53394), (591, 35596), (788, 26697), (809, 26004), (1182, 17798), (1618, 13002), (2167, 9708), (2364, 8899), (2427, 8668), (3236, 6501), (4334, 4854)]