21014754480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9729053}}^1$

素因数の和:9729075

約数の個数: 80

約数和(自身を含む): 72384161760

約数和(自身を除く): 51369407280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9729053, 19458106, 29187159, 38916212, 48645265, 58374318, 77832424, 87561477, 97290530, 116748636, 145935795, 155664848, 175122954, 194581060, 233497272, 262684431, 291871590, 350245908, 389162120, 437807385, 466994544, 525368862, 583743180, 700491816, 778324240, 875614770, 1050737724, 1167486360, 1313422155, 1400983632, 1751229540, 2101475448, 2334972720, 2626844310, 3502459080, 4202950896, 5253688620, 7004918160, 10507377240, 21014754480]

約数ペア:

[(1, 21014754480), (2, 10507377240), (3, 7004918160), (4, 5253688620), (5, 4202950896), (6, 3502459080), (8, 2626844310), (9, 2334972720), (10, 2101475448), (12, 1751229540), (15, 1400983632), (16, 1313422155), (18, 1167486360), (20, 1050737724), (24, 875614770), (27, 778324240), (30, 700491816), (36, 583743180), (40, 525368862), (45, 466994544), (48, 437807385), (54, 389162120), (60, 350245908), (72, 291871590), (80, 262684431), (90, 233497272), (108, 194581060), (120, 175122954), (135, 155664848), (144, 145935795), (180, 116748636), (216, 97290530), (240, 87561477), (270, 77832424), (360, 58374318), (432, 48645265), (540, 38916212), (720, 29187159), (1080, 19458106), (2160, 9729053)]