About the Number

21432004

21432003 ← → 21432005

2進数表記:1010001110000011011000100

漢数字表記:二千百四十三万二千四

素因数分解:

2 2 × 11 2 × 44281 1

素因数の和:44307
約数の個数: 18
約数和(自身を含む): 41226542
約数和(自身を除く): 19794538

約数列:
[1, 2, 4, 11, 22, 44, 121, 242, 484, 44281, 88562, 177124, 487091, 974182, 1948364, 5358001, 10716002, 21432004]

約数ペア:
[(1, 21432004), (2, 10716002), (4, 5358001), (11, 1948364), (22, 974182), (44, 487091), (121, 177124), (242, 88562), (484, 44281)]

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