21068992

素因数分解:

$2^6\times 7^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:509

約数の個数: 56

約数和(自身を含む): 48280320

約数和(自身を除く): 27211328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 131, 224, 262, 359, 448, 524, 718, 917, 1048, 1436, 1834, 2096, 2513, 2872, 3668, 4192, 5026, 5744, 7336, 8384, 10052, 11488, 14672, 20104, 22976, 29344, 40208, 47029, 58688, 80416, 94058, 160832, 188116, 329203, 376232, 658406, 752464, 1316812, 1504928, 2633624, 3009856, 5267248, 10534496, 21068992]

約数ペア:

[(1, 21068992), (2, 10534496), (4, 5267248), (7, 3009856), (8, 2633624), (14, 1504928), (16, 1316812), (28, 752464), (32, 658406), (56, 376232), (64, 329203), (112, 188116), (131, 160832), (224, 94058), (262, 80416), (359, 58688), (448, 47029), (524, 40208), (718, 29344), (917, 22976), (1048, 20104), (1436, 14672), (1834, 11488), (2096, 10052), (2513, 8384), (2872, 7336), (3668, 5744), (4192, 5026)]