21383637

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 33675264

約数和(自身を除く): 12291627

約数列:

[1, 3, 11, 17, 33, 47, 51, 141, 187, 517, 561, 799, 811, 1551, 2397, 2433, 8789, 8921, 13787, 26367, 26763, 38117, 41361, 114351, 151657, 419287, 454971, 647989, 1257861, 1943967, 7127879, 21383637]

約数ペア:

[(1, 21383637), (3, 7127879), (11, 1943967), (17, 1257861), (33, 647989), (47, 454971), (51, 419287), (141, 151657), (187, 114351), (517, 41361), (561, 38117), (799, 26763), (811, 26367), (1551, 13787), (2397, 8921), (2433, 8789)]