21224672

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4987}}^1$

素因数の和:5023

約数の個数: 48

約数和(自身を含む): 50279040

約数和(自身を除く): 29054368

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 4987, 9974, 19948, 34909, 39896, 69818, 79792, 94753, 139636, 159584, 189506, 279272, 379012, 558544, 663271, 758024, 1117088, 1326542, 1516048, 2653084, 3032096, 5306168, 10612336, 21224672]

約数ペア:

[(1, 21224672), (2, 10612336), (4, 5306168), (7, 3032096), (8, 2653084), (14, 1516048), (16, 1326542), (19, 1117088), (28, 758024), (32, 663271), (38, 558544), (56, 379012), (76, 279272), (112, 189506), (133, 159584), (152, 139636), (224, 94753), (266, 79792), (304, 69818), (532, 39896), (608, 34909), (1064, 19948), (2128, 9974), (4256, 4987)]