About the Number

21312012

21312011 ← → 21312013

2進数表記:1010001010011001000001100

漢数字表記:二千百三十一万二千十二

素因数分解:

2 2 × 3 1 × 467 1 × 3803 1

素因数の和:4277
約数の個数: 24
約数和(自身を含む): 49847616
約数和(自身を除く): 28535604

約数列:
[1, 2, 3, 4, 6, 12, 467, 934, 1401, 1868, 2802, 3803, 5604, 7606, 11409, 15212, 22818, 45636, 1776001, 3552002, 5328003, 7104004, 10656006, 21312012]

約数ペア:
[(1, 21312012), (2, 10656006), (3, 7104004), (4, 5328003), (6, 3552002), (12, 1776001), (467, 45636), (934, 22818), (1401, 15212), (1868, 11409), (2802, 7606), (3803, 5604)]

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