21283724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3637}}^1$

素因数の和:3678

約数の個数: 48

約数和(自身を含む): 48894720

約数和(自身を除く): 27610996

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3637, 5852, 7274, 14548, 25459, 40007, 50918, 69103, 80014, 101836, 138206, 160028, 276412, 280049, 483721, 560098, 760133, 967442, 1120196, 1520266, 1934884, 3040532, 5320931, 10641862, 21283724]

約数ペア:

[(1, 21283724), (2, 10641862), (4, 5320931), (7, 3040532), (11, 1934884), (14, 1520266), (19, 1120196), (22, 967442), (28, 760133), (38, 560098), (44, 483721), (76, 280049), (77, 276412), (133, 160028), (154, 138206), (209, 101836), (266, 80014), (308, 69103), (418, 50918), (532, 40007), (836, 25459), (1463, 14548), (2926, 7274), (3637, 5852)]