21131140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36433}}^1$

素因数の和:36471

約数の個数: 24

約数和(自身を含む): 45906840

約数和(自身を除く): 24775700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36433, 72866, 145732, 182165, 364330, 728660, 1056557, 2113114, 4226228, 5282785, 10565570, 21131140]

約数ペア:

[(1, 21131140), (2, 10565570), (4, 5282785), (5, 4226228), (10, 2113114), (20, 1056557), (29, 728660), (58, 364330), (116, 182165), (145, 145732), (290, 72866), (580, 36433)]