About the Number

2138406904

2138406903 ← → 2138406905

2進数表記:1111111011101010111111111111000

漢数字表記:二十一億三千八百四十万六千九百四

素因数分解:

2 3 × 97 1 × 1021 1 × 2699 1

素因数の和:3823
約数の個数: 32
約数和(自身を含む): 4056318000
約数和(自身を除く): 1917911096

約数列:
[1, 2, 4, 8, 97, 194, 388, 776, 1021, 2042, 2699, 4084, 5398, 8168, 10796, 21592, 99037, 198074, 261803, 396148, 523606, 792296, 1047212, 2094424, 2755679, 5511358, 11022716, 22045432, 267300863, 534601726, 1069203452, 2138406904]

約数ペア:
[(1, 2138406904), (2, 1069203452), (4, 534601726), (8, 267300863), (97, 22045432), (194, 11022716), (388, 5511358), (776, 2755679), (1021, 2094424), (2042, 1047212), (2699, 792296), (4084, 523606), (5398, 396148), (8168, 261803), (10796, 198074), (21592, 99037)]

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