21561480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{593}}^1$

素因数の和:711

約数の個数: 96

約数和(自身を含む): 70887960

約数和(自身を除く): 49326480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 101, 120, 180, 202, 303, 360, 404, 505, 593, 606, 808, 909, 1010, 1186, 1212, 1515, 1779, 1818, 2020, 2372, 2424, 2965, 3030, 3558, 3636, 4040, 4545, 4744, 5337, 5930, 6060, 7116, 7272, 8895, 9090, 10674, 11860, 12120, 14232, 17790, 18180, 21348, 23720, 26685, 35580, 36360, 42696, 53370, 59893, 71160, 106740, 119786, 179679, 213480, 239572, 299465, 359358, 479144, 539037, 598930, 718716, 898395, 1078074, 1197860, 1437432, 1796790, 2156148, 2395720, 2695185, 3593580, 4312296, 5390370, 7187160, 10780740, 21561480]

約数ペア:

[(1, 21561480), (2, 10780740), (3, 7187160), (4, 5390370), (5, 4312296), (6, 3593580), (8, 2695185), (9, 2395720), (10, 2156148), (12, 1796790), (15, 1437432), (18, 1197860), (20, 1078074), (24, 898395), (30, 718716), (36, 598930), (40, 539037), (45, 479144), (60, 359358), (72, 299465), (90, 239572), (101, 213480), (120, 179679), (180, 119786), (202, 106740), (303, 71160), (360, 59893), (404, 53370), (505, 42696), (593, 36360), (606, 35580), (808, 26685), (909, 23720), (1010, 21348), (1186, 18180), (1212, 17790), (1515, 14232), (1779, 12120), (1818, 11860), (2020, 10674), (2372, 9090), (2424, 8895), (2965, 7272), (3030, 7116), (3558, 6060), (3636, 5930), (4040, 5337), (4545, 4744)]