About the Number

2100031000

2100030999 ← → 2100031001

2進数表記:1111101001010111110111000011000

漢数字表記:二十一億三万千

素因数分解:

2 3 × 5 3 × 2100031 1

素因数の和:2100052
約数の個数: 32
約数和(自身を含む): 4914074880
約数和(自身を除く): 2814043880

約数列:
[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 2100031, 4200062, 8400124, 10500155, 16800248, 21000310, 42000620, 52500775, 84001240, 105001550, 210003100, 262503875, 420006200, 525007750, 1050015500, 2100031000]

約数ペア:
[(1, 2100031000), (2, 1050015500), (4, 525007750), (5, 420006200), (8, 262503875), (10, 210003100), (20, 105001550), (25, 84001240), (40, 52500775), (50, 42000620), (100, 21000310), (125, 16800248), (200, 10500155), (250, 8400124), (500, 4200062), (1000, 2100031)]

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