21011100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6367}}^1$

素因数の和:6395

約数の個数: 72

約数和(自身を含む): 66329088

約数和(自身を除く): 45317988

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 6367, 12734, 19101, 25468, 31835, 38202, 63670, 70037, 76404, 95505, 127340, 140074, 159175, 191010, 210111, 280148, 318350, 350185, 382020, 420222, 477525, 636700, 700370, 840444, 955050, 1050555, 1400740, 1750925, 1910100, 2101110, 3501850, 4202220, 5252775, 7003700, 10505550, 21011100]

約数ペア:

[(1, 21011100), (2, 10505550), (3, 7003700), (4, 5252775), (5, 4202220), (6, 3501850), (10, 2101110), (11, 1910100), (12, 1750925), (15, 1400740), (20, 1050555), (22, 955050), (25, 840444), (30, 700370), (33, 636700), (44, 477525), (50, 420222), (55, 382020), (60, 350185), (66, 318350), (75, 280148), (100, 210111), (110, 191010), (132, 159175), (150, 140074), (165, 127340), (220, 95505), (275, 76404), (300, 70037), (330, 63670), (550, 38202), (660, 31835), (825, 25468), (1100, 19101), (1650, 12734), (3300, 6367)]