21738748

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{971}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 39599280

約数和(自身を除く): 17860532

約数列:

[1, 2, 4, 29, 58, 116, 193, 386, 772, 971, 1942, 3884, 5597, 11194, 22388, 28159, 56318, 112636, 187403, 374806, 749612, 5434687, 10869374, 21738748]

約数ペア:

[(1, 21738748), (2, 10869374), (4, 5434687), (29, 749612), (58, 374806), (116, 187403), (193, 112636), (386, 56318), (772, 28159), (971, 22388), (1942, 11194), (3884, 5597)]