About the Number

21007530

21007529 ← → 21007531

2進数表記:1010000001000110010101010

漢数字表記:二千百万七千五百三十

素因数分解:

2 1 × 3 2 × 5 1 × 233417 1

素因数の和:233430
約数の個数: 24
約数和(自身を含む): 54619812
約数和(自身を除く): 33612282

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 233417, 466834, 700251, 1167085, 1400502, 2100753, 2334170, 3501255, 4201506, 7002510, 10503765, 21007530]

約数ペア:
[(1, 21007530), (2, 10503765), (3, 7002510), (5, 4201506), (6, 3501255), (9, 2334170), (10, 2100753), (15, 1400502), (18, 1167085), (30, 700251), (45, 466834), (90, 233417)]

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