About the Number

2012123166921

2012123166920 ← → 2012123166922

2進数表記:11101010001111011111000101111100011001001

漢数字表記:二兆百二十一億二千三百十六万六千九百二十一

素因数分解:

3 2 × 7 1 × 1237 1 × 1613 1 × 16007 1

素因数の和:18870
約数の個数: 48
約数和(自身を含む): 3326554093824
約数和(自身を除く): 1314430926903

約数列:
[1, 3, 7, 9, 21, 63, 1237, 1613, 3711, 4839, 8659, 11133, 11291, 14517, 16007, 25977, 33873, 48021, 77931, 101619, 112049, 144063, 336147, 1008441, 1995281, 5985843, 13966967, 17957529, 19800659, 25819291, 41900901, 59401977, 77457873, 125702703, 138604613, 178205931, 180735037, 232373619, 415813839, 542205111, 1247441517, 1626615333, 31938462967, 95815388901, 223569240769, 287446166703, 670707722307, 2012123166921]

約数ペア:
[(1, 2012123166921), (3, 670707722307), (7, 287446166703), (9, 223569240769), (21, 95815388901), (63, 31938462967), (1237, 1626615333), (1613, 1247441517), (3711, 542205111), (4839, 415813839), (8659, 232373619), (11133, 180735037), (11291, 178205931), (14517, 138604613), (16007, 125702703), (25977, 77457873), (33873, 59401977), (48021, 41900901), (77931, 25819291), (101619, 19800659), (112049, 17957529), (144063, 13966967), (336147, 5985843), (1008441, 1995281)]

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