21247842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 55310976

約数和(自身を除く): 34063134

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 37, 42, 66, 74, 77, 111, 113, 121, 154, 222, 226, 231, 242, 259, 339, 363, 407, 462, 518, 678, 726, 777, 791, 814, 847, 1221, 1243, 1554, 1582, 1694, 2373, 2442, 2486, 2541, 2849, 3729, 4181, 4477, 4746, 5082, 5698, 7458, 8362, 8547, 8701, 8954, 12543, 13431, 13673, 17094, 17402, 25086, 26103, 26862, 27346, 29267, 31339, 41019, 45991, 52206, 58534, 62678, 82038, 87801, 91982, 94017, 95711, 137973, 175602, 188034, 191422, 275946, 287133, 321937, 505901, 574266, 643874, 965811, 1011802, 1517703, 1931622, 3035406, 3541307, 7082614, 10623921, 21247842]

約数ペア:

[(1, 21247842), (2, 10623921), (3, 7082614), (6, 3541307), (7, 3035406), (11, 1931622), (14, 1517703), (21, 1011802), (22, 965811), (33, 643874), (37, 574266), (42, 505901), (66, 321937), (74, 287133), (77, 275946), (111, 191422), (113, 188034), (121, 175602), (154, 137973), (222, 95711), (226, 94017), (231, 91982), (242, 87801), (259, 82038), (339, 62678), (363, 58534), (407, 52206), (462, 45991), (518, 41019), (678, 31339), (726, 29267), (777, 27346), (791, 26862), (814, 26103), (847, 25086), (1221, 17402), (1243, 17094), (1554, 13673), (1582, 13431), (1694, 12543), (2373, 8954), (2442, 8701), (2486, 8547), (2541, 8362), (2849, 7458), (3729, 5698), (4181, 5082), (4477, 4746)]