21060108

素因数分解:

$2^2\times 3^3\times {\mathrm{109}}^1\times {\mathrm{1789}}^1$

素因数の和:1911

約数の個数: 48

約数和(自身を含む): 55132000

約数和(自身を除く): 34071892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 109, 218, 327, 436, 654, 981, 1308, 1789, 1962, 2943, 3578, 3924, 5367, 5886, 7156, 10734, 11772, 16101, 21468, 32202, 48303, 64404, 96606, 193212, 195001, 390002, 585003, 780004, 1170006, 1755009, 2340012, 3510018, 5265027, 7020036, 10530054, 21060108]

約数ペア:

[(1, 21060108), (2, 10530054), (3, 7020036), (4, 5265027), (6, 3510018), (9, 2340012), (12, 1755009), (18, 1170006), (27, 780004), (36, 585003), (54, 390002), (108, 195001), (109, 193212), (218, 96606), (327, 64404), (436, 48303), (654, 32202), (981, 21468), (1308, 16101), (1789, 11772), (1962, 10734), (2943, 7156), (3578, 5886), (3924, 5367)]