21820320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{5051}}^1$

素因数の和:5075

約数の個数: 96

約数和(自身を含む): 76386240

約数和(自身を除く): 54565920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 5051, 10102, 15153, 20204, 25255, 30306, 40408, 45459, 50510, 60612, 75765, 80816, 90918, 101020, 121224, 136377, 151530, 161632, 181836, 202040, 227295, 242448, 272754, 303060, 363672, 404080, 454590, 484896, 545508, 606120, 681885, 727344, 808160, 909180, 1091016, 1212240, 1363770, 1454688, 1818360, 2182032, 2424480, 2727540, 3636720, 4364064, 5455080, 7273440, 10910160, 21820320]

約数ペア:

[(1, 21820320), (2, 10910160), (3, 7273440), (4, 5455080), (5, 4364064), (6, 3636720), (8, 2727540), (9, 2424480), (10, 2182032), (12, 1818360), (15, 1454688), (16, 1363770), (18, 1212240), (20, 1091016), (24, 909180), (27, 808160), (30, 727344), (32, 681885), (36, 606120), (40, 545508), (45, 484896), (48, 454590), (54, 404080), (60, 363672), (72, 303060), (80, 272754), (90, 242448), (96, 227295), (108, 202040), (120, 181836), (135, 161632), (144, 151530), (160, 136377), (180, 121224), (216, 101020), (240, 90918), (270, 80816), (288, 75765), (360, 60612), (432, 50510), (480, 45459), (540, 40408), (720, 30306), (864, 25255), (1080, 20204), (1440, 15153), (2160, 10102), (4320, 5051)]