About the Number

21365770

21365769 ← → 21365771

2進数表記:1010001100000010000001010

漢数字表記:二千百三十六万五千七百七十

素因数分解:

2 1 × 5 1 × 17 2 × 7393 1

素因数の和:7434
約数の個数: 24
約数和(自身を含む): 40859244
約数和(自身を除く): 19493474

約数列:
[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 7393, 14786, 36965, 73930, 125681, 251362, 628405, 1256810, 2136577, 4273154, 10682885, 21365770]

約数ペア:
[(1, 21365770), (2, 10682885), (5, 4273154), (10, 2136577), (17, 1256810), (34, 628405), (85, 251362), (170, 125681), (289, 73930), (578, 36965), (1445, 14786), (2890, 7393)]

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