21605052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13537}}^1$

素因数の和:13570

約数の個数: 48

約数和(自身を含む): 60650240

約数和(自身を除く): 39045188

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13537, 27074, 40611, 54148, 81222, 94759, 162444, 189518, 257203, 284277, 379036, 514406, 568554, 771609, 1028812, 1137108, 1543218, 1800421, 3086436, 3600842, 5401263, 7201684, 10802526, 21605052]

約数ペア:

[(1, 21605052), (2, 10802526), (3, 7201684), (4, 5401263), (6, 3600842), (7, 3086436), (12, 1800421), (14, 1543218), (19, 1137108), (21, 1028812), (28, 771609), (38, 568554), (42, 514406), (57, 379036), (76, 284277), (84, 257203), (114, 189518), (133, 162444), (228, 94759), (266, 81222), (399, 54148), (532, 40611), (798, 27074), (1596, 13537)]