About the Number

21502642

21502641 ← → 21502643

2進数表記:1010010000001101010110010

漢数字表記:二千百五十万二千六百四十二

素因数分解:

2 1 × 7 1 × 19 1 × 229 1 × 353 1

素因数の和:610
約数の個数: 32
約数和(自身を含む): 39081600
約数和(自身を除く): 17578958

約数列:
[1, 2, 7, 14, 19, 38, 133, 229, 266, 353, 458, 706, 1603, 2471, 3206, 4351, 4942, 6707, 8702, 13414, 30457, 46949, 60914, 80837, 93898, 161674, 565859, 1131718, 1535903, 3071806, 10751321, 21502642]

約数ペア:
[(1, 21502642), (2, 10751321), (7, 3071806), (14, 1535903), (19, 1131718), (38, 565859), (133, 161674), (229, 93898), (266, 80837), (353, 60914), (458, 46949), (706, 30457), (1603, 13414), (2471, 8702), (3206, 6707), (4351, 4942)]

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