About the Number

21438432

21438431 ← → 21438433

2進数表記:1010001110001111111100000

漢数字表記:二千百四十三万八千四百三十二

素因数分解:

2 5 × 3 6 × 919 1

素因数の和:947
約数の個数: 84
約数和(自身を含む): 63350280
約数和(自身を除く): 41911848

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 324, 432, 486, 648, 729, 864, 919, 972, 1296, 1458, 1838, 1944, 2592, 2757, 2916, 3676, 3888, 5514, 5832, 7352, 7776, 8271, 11028, 11664, 14704, 16542, 22056, 23328, 24813, 29408, 33084, 44112, 49626, 66168, 74439, 88224, 99252, 132336, 148878, 198504, 223317, 264672, 297756, 397008, 446634, 595512, 669951, 794016, 893268, 1191024, 1339902, 1786536, 2382048, 2679804, 3573072, 5359608, 7146144, 10719216, 21438432]

約数ペア:
[(1, 21438432), (2, 10719216), (3, 7146144), (4, 5359608), (6, 3573072), (8, 2679804), (9, 2382048), (12, 1786536), (16, 1339902), (18, 1191024), (24, 893268), (27, 794016), (32, 669951), (36, 595512), (48, 446634), (54, 397008), (72, 297756), (81, 264672), (96, 223317), (108, 198504), (144, 148878), (162, 132336), (216, 99252), (243, 88224), (288, 74439), (324, 66168), (432, 49626), (486, 44112), (648, 33084), (729, 29408), (864, 24813), (919, 23328), (972, 22056), (1296, 16542), (1458, 14704), (1838, 11664), (1944, 11028), (2592, 8271), (2757, 7776), (2916, 7352), (3676, 5832), (3888, 5514)]

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