21865088

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1105

約数の個数: 64

約数和(自身を含む): 51995520

約数和(自身を除く): 30130432

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 736, 896, 1061, 1288, 1472, 2122, 2576, 2944, 4244, 5152, 7427, 8488, 10304, 14854, 16976, 20608, 24403, 29708, 33952, 48806, 59416, 67904, 97612, 118832, 135808, 170821, 195224, 237664, 341642, 390448, 475328, 683284, 780896, 950656, 1366568, 1561792, 2733136, 3123584, 5466272, 10932544, 21865088]

約数ペア:

[(1, 21865088), (2, 10932544), (4, 5466272), (7, 3123584), (8, 2733136), (14, 1561792), (16, 1366568), (23, 950656), (28, 780896), (32, 683284), (46, 475328), (56, 390448), (64, 341642), (92, 237664), (112, 195224), (128, 170821), (161, 135808), (184, 118832), (224, 97612), (322, 67904), (368, 59416), (448, 48806), (644, 33952), (736, 29708), (896, 24403), (1061, 20608), (1288, 16976), (1472, 14854), (2122, 10304), (2576, 8488), (2944, 7427), (4244, 5152)]