21899486

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 39194112

約数和(自身を除く): 17294626

約数列:

[1, 2, 7, 14, 37, 67, 74, 134, 259, 469, 518, 631, 938, 1262, 2479, 4417, 4958, 8834, 17353, 23347, 34706, 42277, 46694, 84554, 163429, 295939, 326858, 591878, 1564249, 3128498, 10949743, 21899486]

約数ペア:

[(1, 21899486), (2, 10949743), (7, 3128498), (14, 1564249), (37, 591878), (67, 326858), (74, 295939), (134, 163429), (259, 84554), (469, 46694), (518, 42277), (631, 34706), (938, 23347), (1262, 17353), (2479, 8834), (4417, 4958)]