21766269

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 34744320

約数和(自身を除く): 12978051

約数列:

[1, 3, 7, 21, 29, 87, 103, 203, 309, 347, 609, 721, 1041, 2163, 2429, 2987, 7287, 8961, 10063, 20909, 30189, 35741, 62727, 70441, 107223, 211323, 250187, 750561, 1036489, 3109467, 7255423, 21766269]

約数ペア:

[(1, 21766269), (3, 7255423), (7, 3109467), (21, 1036489), (29, 750561), (87, 250187), (103, 211323), (203, 107223), (309, 70441), (347, 62727), (609, 35741), (721, 30189), (1041, 20909), (2163, 10063), (2429, 8961), (2987, 7287)]