About the Number

21006115

21006114 ← → 21006116

2進数表記:1010000001000011100100011

漢数字表記:二千百万六千百十五

素因数分解:

5 1 × 13 1 × 19 1 × 73 1 × 233 1

素因数の和:343
約数の個数: 32
約数和(自身を含む): 29090880
約数和(自身を除く): 8084765

約数列:
[1, 5, 13, 19, 65, 73, 95, 233, 247, 365, 949, 1165, 1235, 1387, 3029, 4427, 4745, 6935, 15145, 17009, 18031, 22135, 57551, 85045, 90155, 221117, 287755, 323171, 1105585, 1615855, 4201223, 21006115]

約数ペア:
[(1, 21006115), (5, 4201223), (13, 1615855), (19, 1105585), (65, 323171), (73, 287755), (95, 221117), (233, 90155), (247, 85045), (365, 57551), (949, 22135), (1165, 18031), (1235, 17009), (1387, 15145), (3029, 6935), (4427, 4745)]

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