About the Number

2123013459

2123013458 ← → 2123013460

2進数表記:1111110100010101001110101010011

漢数字表記:二十一億二千三百一万三千四百五十九

素因数分解:

3 1 × 7 1 × 23 1 × 2053 1 × 2141 1

素因数の和:4227
約数の個数: 32
約数和(自身を含む): 3378945024
約数和(自身を除く): 1255931565

約数列:
[1, 3, 7, 21, 23, 69, 161, 483, 2053, 2141, 6159, 6423, 14371, 14987, 43113, 44961, 47219, 49243, 141657, 147729, 330533, 344701, 991599, 1034103, 4395473, 13186419, 30768311, 92304933, 101095879, 303287637, 707671153, 2123013459]

約数ペア:
[(1, 2123013459), (3, 707671153), (7, 303287637), (21, 101095879), (23, 92304933), (69, 30768311), (161, 13186419), (483, 4395473), (2053, 1034103), (2141, 991599), (6159, 344701), (6423, 330533), (14371, 147729), (14987, 141657), (43113, 49243), (44961, 47219)]

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