About the Number

2021928129

2021928128 ← → 2021928130

2進数表記:1111000100001000010110011000001

漢数字表記:二十億二千百九十二万八千百二十九

素因数分解:

3 3 × 13 1 × 743 1 × 7753 1

素因数の和:8518
約数の個数: 32
約数和(自身を含む): 3230626560
約数和(自身を除く): 1208698431

約数列:
[1, 3, 9, 13, 27, 39, 117, 351, 743, 2229, 6687, 7753, 9659, 20061, 23259, 28977, 69777, 86931, 100789, 209331, 260793, 302367, 907101, 2721303, 5760479, 17281437, 51844311, 74886227, 155532933, 224658681, 673976043, 2021928129]

約数ペア:
[(1, 2021928129), (3, 673976043), (9, 224658681), (13, 155532933), (27, 74886227), (39, 51844311), (117, 17281437), (351, 5760479), (743, 2721303), (2229, 907101), (6687, 302367), (7753, 260793), (9659, 209331), (20061, 100789), (23259, 86931), (28977, 69777)]

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