About the Number

21028626

21028625 ← → 21028627

2進数表記:1010000001101111100010010

漢数字表記:二千百二万八千六百二十六

素因数分解:

2 1 × 3 3 × 17 1 × 22907 1

素因数の和:22935
約数の個数: 32
約数和(自身を含む): 49481280
約数和(自身を除く): 28452654

約数列:
[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 22907, 45814, 68721, 137442, 206163, 389419, 412326, 618489, 778838, 1168257, 1236978, 2336514, 3504771, 7009542, 10514313, 21028626]

約数ペア:
[(1, 21028626), (2, 10514313), (3, 7009542), (6, 3504771), (9, 2336514), (17, 1236978), (18, 1168257), (27, 778838), (34, 618489), (51, 412326), (54, 389419), (102, 206163), (153, 137442), (306, 68721), (459, 45814), (918, 22907)]

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