About the Number

2100084381

2100084380 ← → 2100084382

2進数表記:1111101001011001011111010011101

漢数字表記:二十一億八万四千三百八十一

素因数分解:

3 3 × 67 2 × 17327 1

素因数の和:17470
約数の個数: 24
約数和(自身を含む): 3158547840
約数和(自身を除く): 1058463459

約数列:
[1, 3, 9, 27, 67, 201, 603, 1809, 4489, 13467, 17327, 40401, 51981, 121203, 155943, 467829, 1160909, 3482727, 10448181, 31344543, 77780903, 233342709, 700028127, 2100084381]

約数ペア:
[(1, 2100084381), (3, 700028127), (9, 233342709), (27, 77780903), (67, 31344543), (201, 10448181), (603, 3482727), (1809, 1160909), (4489, 467829), (13467, 155943), (17327, 121203), (40401, 51981)]

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