About the Number

21471995

21471994 ← → 21471996

2進数表記:1010001111010001011111011

漢数字表記:二千百四十七万千九百九十五

素因数分解:

5 1 × 19 1 × 23 1 × 31 1 × 317 1

素因数の和:395
約数の個数: 32
約数和(自身を含む): 29306880
約数和(自身を除く): 7834885

約数列:
[1, 5, 19, 23, 31, 95, 115, 155, 317, 437, 589, 713, 1585, 2185, 2945, 3565, 6023, 7291, 9827, 13547, 30115, 36455, 49135, 67735, 138529, 186713, 226021, 692645, 933565, 1130105, 4294399, 21471995]

約数ペア:
[(1, 21471995), (5, 4294399), (19, 1130105), (23, 933565), (31, 692645), (95, 226021), (115, 186713), (155, 138529), (317, 67735), (437, 49135), (589, 36455), (713, 30115), (1585, 13547), (2185, 9827), (2945, 7291), (3565, 6023)]

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