About the Number

2021043990

2021043989 ← → 2021043991

2進数表記:1111000011101101010111100010110

漢数字表記:二十億二千百四万三千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 9624019 1

素因数の和:9624036
約数の個数: 32
約数和(自身を含む): 5543435520
約数和(自身を除く): 3522391530

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 9624019, 19248038, 28872057, 48120095, 57744114, 67368133, 96240190, 134736266, 144360285, 202104399, 288720570, 336840665, 404208798, 673681330, 1010521995, 2021043990]

約数ペア:
[(1, 2021043990), (2, 1010521995), (3, 673681330), (5, 404208798), (6, 336840665), (7, 288720570), (10, 202104399), (14, 144360285), (15, 134736266), (21, 96240190), (30, 67368133), (35, 57744114), (42, 48120095), (70, 28872057), (105, 19248038), (210, 9624019)]

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