About the Number

42129321

42129320 ← → 42129322

2進数表記:10100000101101011110101001

漢数字表記:四千二百十二万九千三百二十一

素因数分解:

3 1 × 13 1 × 757 1 × 1427 1

素因数の和:2200
約数の個数: 16
約数和(自身を含む): 60615744
約数和(自身を除く): 18486423

約数列:
[1, 3, 13, 39, 757, 1427, 2271, 4281, 9841, 18551, 29523, 55653, 1080239, 3240717, 14043107, 42129321]

約数ペア:
[(1, 42129321), (3, 14043107), (13, 3240717), (39, 1080239), (757, 55653), (1427, 29523), (2271, 18551), (4281, 9841)]

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