21761802

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 72

約数和(自身を含む): 52957476

約数和(自身を除く): 31195674

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 171, 197, 306, 323, 342, 361, 394, 591, 646, 722, 969, 1083, 1182, 1773, 1938, 2166, 2907, 3249, 3349, 3546, 3743, 5814, 6137, 6498, 6698, 7486, 10047, 11229, 12274, 18411, 20094, 22458, 30141, 33687, 36822, 55233, 60282, 63631, 67374, 71117, 110466, 127262, 142234, 190893, 213351, 381786, 426702, 572679, 640053, 1145358, 1208989, 1280106, 2417978, 3626967, 7253934, 10880901, 21761802]

約数ペア:

[(1, 21761802), (2, 10880901), (3, 7253934), (6, 3626967), (9, 2417978), (17, 1280106), (18, 1208989), (19, 1145358), (34, 640053), (38, 572679), (51, 426702), (57, 381786), (102, 213351), (114, 190893), (153, 142234), (171, 127262), (197, 110466), (306, 71117), (323, 67374), (342, 63631), (361, 60282), (394, 55233), (591, 36822), (646, 33687), (722, 30141), (969, 22458), (1083, 20094), (1182, 18411), (1773, 12274), (1938, 11229), (2166, 10047), (2907, 7486), (3249, 6698), (3349, 6498), (3546, 6137), (3743, 5814)]