21015232

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:849

約数の個数: 56

約数和(自身を含む): 48503840

約数和(自身を除く): 27488608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 224, 244, 427, 448, 488, 769, 854, 976, 1538, 1708, 1952, 3076, 3416, 3904, 5383, 6152, 6832, 10766, 12304, 13664, 21532, 24608, 27328, 43064, 46909, 49216, 86128, 93818, 172256, 187636, 328363, 344512, 375272, 656726, 750544, 1313452, 1501088, 2626904, 3002176, 5253808, 10507616, 21015232]

約数ペア:

[(1, 21015232), (2, 10507616), (4, 5253808), (7, 3002176), (8, 2626904), (14, 1501088), (16, 1313452), (28, 750544), (32, 656726), (56, 375272), (61, 344512), (64, 328363), (112, 187636), (122, 172256), (224, 93818), (244, 86128), (427, 49216), (448, 46909), (488, 43064), (769, 27328), (854, 24608), (976, 21532), (1538, 13664), (1708, 12304), (1952, 10766), (3076, 6832), (3416, 6152), (3904, 5383)]