21744548

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 45830400

約数和(自身を除く): 24085852

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 61, 116, 122, 203, 244, 406, 427, 439, 812, 854, 878, 1708, 1756, 1769, 3073, 3538, 6146, 7076, 12292, 12383, 12731, 24766, 25462, 26779, 49532, 50924, 53558, 89117, 107116, 178234, 187453, 356468, 374906, 749812, 776591, 1553182, 3106364, 5436137, 10872274, 21744548]

約数ペア:

[(1, 21744548), (2, 10872274), (4, 5436137), (7, 3106364), (14, 1553182), (28, 776591), (29, 749812), (58, 374906), (61, 356468), (116, 187453), (122, 178234), (203, 107116), (244, 89117), (406, 53558), (427, 50924), (439, 49532), (812, 26779), (854, 25462), (878, 24766), (1708, 12731), (1756, 12383), (1769, 12292), (3073, 7076), (3538, 6146)]