About the Number

21017752

21017751 ← → 21017753

2進数表記:1010000001011010010011000

漢数字表記:二千百一万七千七百五十二

素因数分解:

2 3 × 7 1 × 31 1 × 12107 1

素因数の和:12151
約数の個数: 32
約数和(自身を含む): 46494720
約数和(自身を除く): 25476968

約数列:
[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12107, 24214, 48428, 84749, 96856, 169498, 338996, 375317, 677992, 750634, 1501268, 2627219, 3002536, 5254438, 10508876, 21017752]

約数ペア:
[(1, 21017752), (2, 10508876), (4, 5254438), (7, 3002536), (8, 2627219), (14, 1501268), (28, 750634), (31, 677992), (56, 375317), (62, 338996), (124, 169498), (217, 96856), (248, 84749), (434, 48428), (868, 24214), (1736, 12107)]

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