21571232

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2133

約数の個数: 48

約数和(自身を含む): 47355840

約数和(自身を除く): 25784608

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 2087, 2584, 4174, 5168, 8348, 10336, 16696, 33392, 35479, 39653, 66784, 70958, 79306, 141916, 158612, 283832, 317224, 567664, 634448, 674101, 1135328, 1268896, 1348202, 2696404, 5392808, 10785616, 21571232]

約数ペア:

[(1, 21571232), (2, 10785616), (4, 5392808), (8, 2696404), (16, 1348202), (17, 1268896), (19, 1135328), (32, 674101), (34, 634448), (38, 567664), (68, 317224), (76, 283832), (136, 158612), (152, 141916), (272, 79306), (304, 70958), (323, 66784), (544, 39653), (608, 35479), (646, 33392), (1292, 16696), (2087, 10336), (2584, 8348), (4174, 5168)]