21696682

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1567}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 39739392

約数和(自身を除く): 18042710

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 161, 301, 322, 602, 989, 1567, 1978, 3134, 6923, 10969, 13846, 21938, 36041, 67381, 72082, 134762, 252287, 471667, 504574, 943334, 1549763, 3099526, 10848341, 21696682]

約数ペア:

[(1, 21696682), (2, 10848341), (7, 3099526), (14, 1549763), (23, 943334), (43, 504574), (46, 471667), (86, 252287), (161, 134762), (301, 72082), (322, 67381), (602, 36041), (989, 21938), (1567, 13846), (1978, 10969), (3134, 6923)]