21070658

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{701}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 17342782

約数列:

[1, 2, 7, 14, 19, 38, 113, 133, 226, 266, 701, 791, 1402, 1582, 2147, 4294, 4907, 9814, 13319, 15029, 26638, 30058, 79213, 93233, 158426, 186466, 554491, 1108982, 1505047, 3010094, 10535329, 21070658]

約数ペア:

[(1, 21070658), (2, 10535329), (7, 3010094), (14, 1505047), (19, 1108982), (38, 554491), (113, 186466), (133, 158426), (226, 93233), (266, 79213), (701, 30058), (791, 26638), (1402, 15029), (1582, 13319), (2147, 9814), (4294, 4907)]