About the Number

21003072

21003071 ← → 21003073

2進数表記:1010000000111101101000000

漢数字表記:二千百万三千七十二

素因数分解:

2 6 × 3 1 × 109391 1

素因数の和:109406
約数の個数: 28
約数和(自身を含む): 55571136
約数和(自身を除く): 34568064

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 109391, 218782, 328173, 437564, 656346, 875128, 1312692, 1750256, 2625384, 3500512, 5250768, 7001024, 10501536, 21003072]

約数ペア:
[(1, 21003072), (2, 10501536), (3, 7001024), (4, 5250768), (6, 3500512), (8, 2625384), (12, 1750256), (16, 1312692), (24, 875128), (32, 656346), (48, 437564), (64, 328173), (96, 218782), (192, 109391)]

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