About the Number

21087354.000000000

134678669 ← → 134678671

2進数表記:1000000001110000100010001110

漢数字表記:一億三千四百六十七万八千六百七十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 641327 1

素因数の和:641344
約数の個数: 32
約数和(自身を含む): 369404928
約数和(自身を除く): 234726258

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 641327, 1282654, 1923981, 3206635, 3847962, 4489289, 6413270, 8978578, 9619905, 13467867, 19239810, 22446445, 26935734, 44892890, 67339335, 134678670]

約数ペア:
[(1, 134678670), (2, 67339335), (3, 44892890), (5, 26935734), (6, 22446445), (7, 19239810), (10, 13467867), (14, 9619905), (15, 8978578), (21, 6413270), (30, 4489289), (35, 3847962), (42, 3206635), (70, 1923981), (105, 1282654), (210, 641327)]

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