About the Number

21275020

21275019 ← → 21275021

2進数表記:1010001001010000110001100

漢数字表記:二千百二十七万五千二十

素因数分解:

2 2 × 5 1 × 13 1 × 47 1 × 1741 1

素因数の和:1810
約数の個数: 48
約数和(自身を含む): 49166208
約数和(自身を除く): 27891188

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1741, 2444, 3055, 3482, 6110, 6964, 8705, 12220, 17410, 22633, 34820, 45266, 81827, 90532, 113165, 163654, 226330, 327308, 409135, 452660, 818270, 1063751, 1636540, 2127502, 4255004, 5318755, 10637510, 21275020]

約数ペア:
[(1, 21275020), (2, 10637510), (4, 5318755), (5, 4255004), (10, 2127502), (13, 1636540), (20, 1063751), (26, 818270), (47, 452660), (52, 409135), (65, 327308), (94, 226330), (130, 163654), (188, 113165), (235, 90532), (260, 81827), (470, 45266), (611, 34820), (940, 22633), (1222, 17410), (1741, 12220), (2444, 8705), (3055, 6964), (3482, 6110)]

このpageの処理時間: 0.011998176574707031 seconds