21404564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16567}}^1$

素因数の和:16607

約数の個数: 24

約数和(自身を含む): 41751360

約数和(自身を除く): 20346796

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16567, 33134, 66268, 281639, 314773, 563278, 629546, 1126556, 1259092, 5351141, 10702282, 21404564]

約数ペア:

[(1, 21404564), (2, 10702282), (4, 5351141), (17, 1259092), (19, 1126556), (34, 629546), (38, 563278), (68, 314773), (76, 281639), (323, 66268), (646, 33134), (1292, 16567)]