About the Number

12921020

12921019 ← → 12921021

2進数表記:110001010010100010111100

漢数字表記:千二百九十二万千二十

素因数分解:

2 2 × 5 1 × 7 1 × 17 1 × 61 1 × 89 1

素因数の和:183
約数の個数: 96
約数和(自身を含む): 33747840
約数和(自身を除く): 20826820

約数列:
[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 61, 68, 70, 85, 89, 119, 122, 140, 170, 178, 238, 244, 305, 340, 356, 427, 445, 476, 595, 610, 623, 854, 890, 1037, 1190, 1220, 1246, 1513, 1708, 1780, 2074, 2135, 2380, 2492, 3026, 3115, 4148, 4270, 5185, 5429, 6052, 6230, 7259, 7565, 8540, 10370, 10591, 10858, 12460, 14518, 15130, 20740, 21182, 21716, 27145, 29036, 30260, 36295, 38003, 42364, 52955, 54290, 72590, 76006, 92293, 105910, 108580, 145180, 152012, 184586, 190015, 211820, 369172, 380030, 461465, 646051, 760060, 922930, 1292102, 1845860, 2584204, 3230255, 6460510, 12921020]

約数ペア:
[(1, 12921020), (2, 6460510), (4, 3230255), (5, 2584204), (7, 1845860), (10, 1292102), (14, 922930), (17, 760060), (20, 646051), (28, 461465), (34, 380030), (35, 369172), (61, 211820), (68, 190015), (70, 184586), (85, 152012), (89, 145180), (119, 108580), (122, 105910), (140, 92293), (170, 76006), (178, 72590), (238, 54290), (244, 52955), (305, 42364), (340, 38003), (356, 36295), (427, 30260), (445, 29036), (476, 27145), (595, 21716), (610, 21182), (623, 20740), (854, 15130), (890, 14518), (1037, 12460), (1190, 10858), (1220, 10591), (1246, 10370), (1513, 8540), (1708, 7565), (1780, 7259), (2074, 6230), (2135, 6052), (2380, 5429), (2492, 5185), (3026, 4270), (3115, 4148)]

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