21769554

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 27996846

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 47, 51, 57, 94, 102, 114, 141, 239, 282, 323, 478, 646, 717, 799, 893, 969, 1434, 1598, 1786, 1938, 2397, 2679, 4063, 4541, 4794, 5358, 8126, 9082, 11233, 12189, 13623, 15181, 22466, 24378, 27246, 30362, 33699, 45543, 67398, 77197, 91086, 154394, 190961, 213427, 231591, 381922, 426854, 463182, 572883, 640281, 1145766, 1280562, 3628259, 7256518, 10884777, 21769554]

約数ペア:

[(1, 21769554), (2, 10884777), (3, 7256518), (6, 3628259), (17, 1280562), (19, 1145766), (34, 640281), (38, 572883), (47, 463182), (51, 426854), (57, 381922), (94, 231591), (102, 213427), (114, 190961), (141, 154394), (239, 91086), (282, 77197), (323, 67398), (478, 45543), (646, 33699), (717, 30362), (799, 27246), (893, 24378), (969, 22466), (1434, 15181), (1598, 13623), (1786, 12189), (1938, 11233), (2397, 9082), (2679, 8126), (4063, 5358), (4541, 4794)]