About the Number

201310421

201310420 ← → 201310422

2進数表記:1011111111111100000011010101

漢数字表記:二億百三十一万四百二十一

素因数分解:

13 1 × 23 2 × 73 1 × 401 1

素因数の和:533
約数の個数: 24
約数和(自身を含む): 230309016
約数和(自身を除く): 28998595

約数列:
[1, 13, 23, 73, 299, 401, 529, 949, 1679, 5213, 6877, 9223, 21827, 29273, 38617, 119899, 212129, 380549, 502021, 673279, 2757677, 8752627, 15485417, 201310421]

約数ペア:
[(1, 201310421), (13, 15485417), (23, 8752627), (73, 2757677), (299, 673279), (401, 502021), (529, 380549), (949, 212129), (1679, 119899), (5213, 38617), (6877, 29273), (9223, 21827)]

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