21038053537

素因数分解:

${\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 23664719232

約数和(自身を除く): 2626665695

約数列:

[1, 17, 41, 43, 157, 263, 289, 697, 731, 1763, 2669, 4471, 6437, 6751, 10783, 11309, 11849, 12427, 29971, 41291, 45373, 76007, 109429, 114767, 183311, 192253, 276791, 463669, 509507, 701947, 1692931, 1775513, 1860293, 1951039, 3116287, 3268301, 4705447, 7882373, 11933099, 28779827, 30183721, 72796033, 79992599, 134000341, 489257059, 513123257, 1237532561, 21038053537]

約数ペア:

[(1, 21038053537), (17, 1237532561), (41, 513123257), (43, 489257059), (157, 134000341), (263, 79992599), (289, 72796033), (697, 30183721), (731, 28779827), (1763, 11933099), (2669, 7882373), (4471, 4705447), (6437, 3268301), (6751, 3116287), (10783, 1951039), (11309, 1860293), (11849, 1775513), (12427, 1692931), (29971, 701947), (41291, 509507), (45373, 463669), (76007, 276791), (109429, 192253), (114767, 183311)]