21375783

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 38447136

約数和(自身を除く): 17071353

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 977, 1287, 1683, 1989, 2431, 2931, 7293, 8793, 10747, 12701, 16609, 21879, 32241, 38103, 49827, 96723, 114309, 139711, 149481, 182699, 215917, 419133, 548097, 647751, 1257399, 1644291, 1943253, 2375087, 7125261, 21375783]

約数ペア:

[(1, 21375783), (3, 7125261), (9, 2375087), (11, 1943253), (13, 1644291), (17, 1257399), (33, 647751), (39, 548097), (51, 419133), (99, 215917), (117, 182699), (143, 149481), (153, 139711), (187, 114309), (221, 96723), (429, 49827), (561, 38103), (663, 32241), (977, 21879), (1287, 16609), (1683, 12701), (1989, 10747), (2431, 8793), (2931, 7293)]