21981567244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1632133}}^1$

素因数の和:1632194

約数の個数: 48

約数和(自身を含む): 48624536128

約数和(自身を除く): 26642968884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1924, 3367, 6734, 13468, 1632133, 3264266, 6528532, 11424931, 21217729, 22849862, 42435458, 45699724, 60388921, 84870916, 120777842, 148524103, 241555684, 297048206, 422722447, 594096412, 785055973, 845444894, 1570111946, 1690889788, 3140223892, 5495391811, 10990783622, 21981567244]

約数ペア:

[(1, 21981567244), (2, 10990783622), (4, 5495391811), (7, 3140223892), (13, 1690889788), (14, 1570111946), (26, 845444894), (28, 785055973), (37, 594096412), (52, 422722447), (74, 297048206), (91, 241555684), (148, 148524103), (182, 120777842), (259, 84870916), (364, 60388921), (481, 45699724), (518, 42435458), (962, 22849862), (1036, 21217729), (1924, 11424931), (3367, 6528532), (6734, 3264266), (13468, 1632133)]