21068384

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 43636320

約数和(自身を除く): 22567936

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 73, 116, 146, 232, 292, 311, 464, 584, 622, 928, 1168, 1244, 2117, 2336, 2488, 4234, 4976, 8468, 9019, 9952, 16936, 18038, 22703, 33872, 36076, 45406, 67744, 72152, 90812, 144304, 181624, 288608, 363248, 658387, 726496, 1316774, 2633548, 5267096, 10534192, 21068384]

約数ペア:

[(1, 21068384), (2, 10534192), (4, 5267096), (8, 2633548), (16, 1316774), (29, 726496), (32, 658387), (58, 363248), (73, 288608), (116, 181624), (146, 144304), (232, 90812), (292, 72152), (311, 67744), (464, 45406), (584, 36076), (622, 33872), (928, 22703), (1168, 18038), (1244, 16936), (2117, 9952), (2336, 9019), (2488, 8468), (4234, 4976)]