21042960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87679}}^1$

素因数の和:87695

約数の個数: 40

約数和(自身を含む): 65233920

約数和(自身を除く): 44190960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87679, 175358, 263037, 350716, 438395, 526074, 701432, 876790, 1052148, 1315185, 1402864, 1753580, 2104296, 2630370, 3507160, 4208592, 5260740, 7014320, 10521480, 21042960]

約数ペア:

[(1, 21042960), (2, 10521480), (3, 7014320), (4, 5260740), (5, 4208592), (6, 3507160), (8, 2630370), (10, 2104296), (12, 1753580), (15, 1402864), (16, 1315185), (20, 1052148), (24, 876790), (30, 701432), (40, 526074), (48, 438395), (60, 350716), (80, 263037), (120, 175358), (240, 87679)]