21076456311

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{66047}}^1$

素因数の和:66332

約数の個数: 32

約数和(自身を含む): 31956664320

約数和(自身を除く): 10880208009

約数列:

[1, 3, 9, 27, 53, 159, 223, 477, 669, 1431, 2007, 6021, 11819, 35457, 66047, 106371, 198141, 319113, 594423, 1783269, 3500491, 10501473, 14728481, 31504419, 44185443, 94513257, 132556329, 397668987, 780609493, 2341828479, 7025485437, 21076456311]

約数ペア:

[(1, 21076456311), (3, 7025485437), (9, 2341828479), (27, 780609493), (53, 397668987), (159, 132556329), (223, 94513257), (477, 44185443), (669, 31504419), (1431, 14728481), (2007, 10501473), (6021, 3500491), (11819, 1783269), (35457, 594423), (66047, 319113), (106371, 198141)]