21822339

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5557}}^1$

素因数の和:5595

約数の個数: 32

約数和(自身を含む): 38416896

約数和(自身を除く): 16594557

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5557, 16671, 38899, 61127, 94469, 116697, 183381, 283407, 427889, 661283, 1039159, 1283667, 1983849, 3117477, 7274113, 21822339]

約数ペア:

[(1, 21822339), (3, 7274113), (7, 3117477), (11, 1983849), (17, 1283667), (21, 1039159), (33, 661283), (51, 427889), (77, 283407), (119, 183381), (187, 116697), (231, 94469), (357, 61127), (561, 38899), (1309, 16671), (3927, 5557)]