About the Number

212340321

212340320 ← → 212340322

2進数表記:1100101010000000111001100001

漢数字表記:二億千二百三十四万三百二十一

素因数分解:

3 2 × 43 1 × 373 1 × 1471 1

素因数の和:1893
約数の個数: 24
約数和(自身を含む): 314902016
約数和(自身を除く): 102561695

約数列:
[1, 3, 9, 43, 129, 373, 387, 1119, 1471, 3357, 4413, 13239, 16039, 48117, 63253, 144351, 189759, 548683, 569277, 1646049, 4938147, 23593369, 70780107, 212340321]

約数ペア:
[(1, 212340321), (3, 70780107), (9, 23593369), (43, 4938147), (129, 1646049), (373, 569277), (387, 548683), (1119, 189759), (1471, 144351), (3357, 63253), (4413, 48117), (13239, 16039)]

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