1921639734

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{997}}^1\times {\mathrm{5099}}^1$

素因数の和:6114

約数の個数: 64

約数和(自身を含む): 4886208000

約数和(自身を除く): 2964568266

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 997, 1994, 2991, 5099, 5982, 6979, 8973, 10198, 13958, 15297, 17946, 20937, 26919, 30594, 35693, 41874, 45891, 53838, 62811, 71386, 91782, 107079, 125622, 137673, 188433, 214158, 275346, 321237, 376866, 642474, 963711, 1927422, 5083703, 10167406, 15251109, 30502218, 35585921, 45753327, 71171842, 91506654, 106757763, 137259981, 213515526, 274519962, 320273289, 640546578, 960819867, 1921639734]

約数ペア:

[(1, 1921639734), (2, 960819867), (3, 640546578), (6, 320273289), (7, 274519962), (9, 213515526), (14, 137259981), (18, 106757763), (21, 91506654), (27, 71171842), (42, 45753327), (54, 35585921), (63, 30502218), (126, 15251109), (189, 10167406), (378, 5083703), (997, 1927422), (1994, 963711), (2991, 642474), (5099, 376866), (5982, 321237), (6979, 275346), (8973, 214158), (10198, 188433), (13958, 137673), (15297, 125622), (17946, 107079), (20937, 91782), (26919, 71386), (30594, 62811), (35693, 53838), (41874, 45891)]