21871548

素因数分解:

$2^2\times 3^2\times {\mathrm{541}}^1\times {\mathrm{1123}}^1$

素因数の和:1674

約数の個数: 36

約数和(自身を含む): 55437928

約数和(自身を除く): 33566380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 541, 1082, 1123, 1623, 2164, 2246, 3246, 3369, 4492, 4869, 6492, 6738, 9738, 10107, 13476, 19476, 20214, 40428, 607543, 1215086, 1822629, 2430172, 3645258, 5467887, 7290516, 10935774, 21871548]

約数ペア:

[(1, 21871548), (2, 10935774), (3, 7290516), (4, 5467887), (6, 3645258), (9, 2430172), (12, 1822629), (18, 1215086), (36, 607543), (541, 40428), (1082, 20214), (1123, 19476), (1623, 13476), (2164, 10107), (2246, 9738), (3246, 6738), (3369, 6492), (4492, 4869)]