21000960827

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2473}}^1\times {\mathrm{3803}}^1$

素因数の和:6323

約数の個数: 32

約数和(自身を含む): 27103956480

約数和(自身を除く): 6102995653

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 2473, 3803, 17311, 26621, 27203, 41833, 71717, 110287, 190421, 292831, 502019, 772009, 788887, 1213157, 5522209, 8492099, 9404819, 65833733, 103453009, 272739751, 724171063, 1909178257, 3000137261, 21000960827]

約数ペア:

[(1, 21000960827), (7, 3000137261), (11, 1909178257), (29, 724171063), (77, 272739751), (203, 103453009), (319, 65833733), (2233, 9404819), (2473, 8492099), (3803, 5522209), (17311, 1213157), (26621, 788887), (27203, 772009), (41833, 502019), (71717, 292831), (110287, 190421)]