About the Number

2137145921

2137145920 ← → 2137145922

2進数表記:1111111011000100100001001000001

漢数字表記:二十一億三千七百十四万五千九百二十一

素因数分解:

31 1 × 131 1 × 641 1 × 821 1

素因数の和:1624
約数の個数: 16
約数和(自身を含む): 2229106176
約数和(自身を除く): 91960255

約数列:
[1, 31, 131, 641, 821, 4061, 19871, 25451, 83971, 107551, 526261, 2603101, 3334081, 16314091, 68940191, 2137145921]

約数ペア:
[(1, 2137145921), (31, 68940191), (131, 16314091), (641, 3334081), (821, 2603101), (4061, 526261), (19871, 107551), (25451, 83971)]

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