About the Number

2021055990

2021055989 ← → 2021055991

2進数表記:1111000011101101101110111110110

漢数字表記:二十億二千百五万五千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 67368533 1

素因数の和:67368543
約数の個数: 16
約数和(自身を含む): 4850534448
約数和(自身を除く): 2829478458

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 67368533, 134737066, 202105599, 336842665, 404211198, 673685330, 1010527995, 2021055990]

約数ペア:
[(1, 2021055990), (2, 1010527995), (3, 673685330), (5, 404211198), (6, 336842665), (10, 202105599), (15, 134737066), (30, 67368533)]

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