21878760512

素因数分解:

$2^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1135733}}^1$

素因数の和:1135795

約数の個数: 56

約数和(自身を含む): 50771852736

約数和(自身を除く): 28893092224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 172, 224, 301, 344, 448, 602, 688, 1204, 1376, 2408, 2752, 4816, 9632, 19264, 1135733, 2271466, 4542932, 7950131, 9085864, 15900262, 18171728, 31800524, 36343456, 48836519, 63601048, 72686912, 97673038, 127202096, 195346076, 254404192, 341855633, 390692152, 508808384, 683711266, 781384304, 1367422532, 1562768608, 2734845064, 3125537216, 5469690128, 10939380256, 21878760512]

約数ペア:

[(1, 21878760512), (2, 10939380256), (4, 5469690128), (7, 3125537216), (8, 2734845064), (14, 1562768608), (16, 1367422532), (28, 781384304), (32, 683711266), (43, 508808384), (56, 390692152), (64, 341855633), (86, 254404192), (112, 195346076), (172, 127202096), (224, 97673038), (301, 72686912), (344, 63601048), (448, 48836519), (602, 36343456), (688, 31800524), (1204, 18171728), (1376, 15900262), (2408, 9085864), (2752, 7950131), (4816, 4542932), (9632, 2271466), (19264, 1135733)]