About the Number

21135459

21135458 ← → 21135460

2進数表記:1010000101000000001100011

漢数字表記:二千百十三万五千四百五十九

素因数分解:

3 1 × 23 1 × 31 1 × 41 1 × 241 1

素因数の和:339
約数の個数: 32
約数和(自身を含む): 31223808
約数和(自身を除く): 10088349

約数列:
[1, 3, 23, 31, 41, 69, 93, 123, 241, 713, 723, 943, 1271, 2139, 2829, 3813, 5543, 7471, 9881, 16629, 22413, 29233, 29643, 87699, 171833, 227263, 306311, 515499, 681789, 918933, 7045153, 21135459]

約数ペア:
[(1, 21135459), (3, 7045153), (23, 918933), (31, 681789), (41, 515499), (69, 306311), (93, 227263), (123, 171833), (241, 87699), (713, 29643), (723, 29233), (943, 22413), (1271, 16629), (2139, 9881), (2829, 7471), (3813, 5543)]

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