About the Number

21000700028

21000700027 ← → 21000700029

2進数表記:10011100011101111010100000001111100

漢数字表記:二百十億七十万二十八

素因数分解:

2 2 × 7 1 × 11 1 × 67 1 × 1017673 1

素因数の和:1017762
約数の個数: 48
約数和(自身を含む): 46503631104
約数和(自身を除く): 25502931076

約数列:
[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 1474, 1876, 2948, 5159, 10318, 20636, 1017673, 2035346, 4070692, 7123711, 11194403, 14247422, 22388806, 28494844, 44777612, 68184091, 78360821, 136368182, 156721642, 272736364, 313443284, 477288637, 750025001, 954577274, 1500050002, 1909154548, 3000100004, 5250175007, 10500350014, 21000700028]

約数ペア:
[(1, 21000700028), (2, 10500350014), (4, 5250175007), (7, 3000100004), (11, 1909154548), (14, 1500050002), (22, 954577274), (28, 750025001), (44, 477288637), (67, 313443284), (77, 272736364), (134, 156721642), (154, 136368182), (268, 78360821), (308, 68184091), (469, 44777612), (737, 28494844), (938, 22388806), (1474, 14247422), (1876, 11194403), (2948, 7123711), (5159, 4070692), (10318, 2035346), (20636, 1017673)]

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