About the Number

21325730

21325729 ← → 21325731

2進数表記:1010001010110011110100010

漢数字表記:二千百三十二万五千七百三十

素因数分解:

2 1 × 5 1 × 29 1 × 151 1 × 487 1

素因数の和:674
約数の個数: 32
約数和(自身を含む): 40055040
約数和(自身を除く): 18729310

約数列:
[1, 2, 5, 10, 29, 58, 145, 151, 290, 302, 487, 755, 974, 1510, 2435, 4379, 4870, 8758, 14123, 21895, 28246, 43790, 70615, 73537, 141230, 147074, 367685, 735370, 2132573, 4265146, 10662865, 21325730]

約数ペア:
[(1, 21325730), (2, 10662865), (5, 4265146), (10, 2132573), (29, 735370), (58, 367685), (145, 147074), (151, 141230), (290, 73537), (302, 70615), (487, 43790), (755, 28246), (974, 21895), (1510, 14123), (2435, 8758), (4379, 4870)]

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