21485087386

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{35963}}^1$

素因数の和:36418

約数の個数: 32

約数和(自身を含む): 37218424320

約数和(自身を除く): 15733336934

約数列:

[1, 2, 7, 14, 139, 278, 307, 614, 973, 1946, 2149, 4298, 35963, 42673, 71926, 85346, 251741, 298711, 503482, 597422, 4998857, 9997714, 11040641, 22081282, 34991999, 69983998, 77284487, 154568974, 1534649099, 3069298198, 10742543693, 21485087386]

約数ペア:

[(1, 21485087386), (2, 10742543693), (7, 3069298198), (14, 1534649099), (139, 154568974), (278, 77284487), (307, 69983998), (614, 34991999), (973, 22081282), (1946, 11040641), (2149, 9997714), (4298, 4998857), (35963, 597422), (42673, 503482), (71926, 298711), (85346, 251741)]