21331232

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 24899680

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 1091, 1222, 1504, 2182, 2444, 4364, 4888, 8728, 9776, 14183, 17456, 19552, 28366, 34912, 51277, 56732, 102554, 113464, 205108, 226928, 410216, 453856, 666601, 820432, 1333202, 1640864, 2666404, 5332808, 10665616, 21331232]

約数ペア:

[(1, 21331232), (2, 10665616), (4, 5332808), (8, 2666404), (13, 1640864), (16, 1333202), (26, 820432), (32, 666601), (47, 453856), (52, 410216), (94, 226928), (104, 205108), (188, 113464), (208, 102554), (376, 56732), (416, 51277), (611, 34912), (752, 28366), (1091, 19552), (1222, 17456), (1504, 14183), (2182, 9776), (2444, 8728), (4364, 4888)]