About the Number

201221438404

201221438403 ← → 201221438405

2進数表記:10111011011001101110110111101111000100

漢数字表記:二千十二億二千百四十三万八千四百四

素因数分解:

2 2 × 7 1 × 4153 1 × 1730431 1

素因数の和:1734595
約数の個数: 24
約数和(自身を含む): 402540013568
約数和(自身を除く): 201318575164

約数列:
[1, 2, 4, 7, 14, 28, 4153, 8306, 16612, 29071, 58142, 116284, 1730431, 3460862, 6921724, 12113017, 24226034, 48452068, 7186479943, 14372959886, 28745919772, 50305359601, 100610719202, 201221438404]

約数ペア:
[(1, 201221438404), (2, 100610719202), (4, 50305359601), (7, 28745919772), (14, 14372959886), (28, 7186479943), (4153, 48452068), (8306, 24226034), (16612, 12113017), (29071, 6921724), (58142, 3460862), (116284, 1730431)]

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