About the Number

21124030

21124029 ← → 21124031

2進数表記:1010000100101001110111110

漢数字表記:二千百十二万四千三十

素因数分解:

2 1 × 5 1 × 17 1 × 137 1 × 907 1

素因数の和:1068
約数の個数: 32
約数和(自身を含む): 40598496
約数和(自身を除く): 19474466

約数列:
[1, 2, 5, 10, 17, 34, 85, 137, 170, 274, 685, 907, 1370, 1814, 2329, 4535, 4658, 9070, 11645, 15419, 23290, 30838, 77095, 124259, 154190, 248518, 621295, 1242590, 2112403, 4224806, 10562015, 21124030]

約数ペア:
[(1, 21124030), (2, 10562015), (5, 4224806), (10, 2112403), (17, 1242590), (34, 621295), (85, 248518), (137, 154190), (170, 124259), (274, 77095), (685, 30838), (907, 23290), (1370, 15419), (1814, 11645), (2329, 9070), (4535, 4658)]

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