21030464

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 112

約数和(自身を含む): 53937408

約数和(自身を除く): 32906944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 64, 91, 92, 104, 112, 157, 161, 182, 184, 208, 224, 299, 314, 322, 364, 368, 416, 448, 598, 628, 644, 728, 736, 832, 1099, 1196, 1256, 1288, 1456, 1472, 2041, 2093, 2198, 2392, 2512, 2576, 2912, 3611, 4082, 4186, 4396, 4784, 5024, 5152, 5824, 7222, 8164, 8372, 8792, 9568, 10048, 10304, 14287, 14444, 16328, 16744, 17584, 19136, 25277, 28574, 28888, 32656, 33488, 35168, 46943, 50554, 57148, 57776, 65312, 66976, 70336, 93886, 101108, 114296, 115552, 130624, 133952, 187772, 202216, 228592, 231104, 328601, 375544, 404432, 457184, 657202, 751088, 808864, 914368, 1314404, 1502176, 1617728, 2628808, 3004352, 5257616, 10515232, 21030464]

約数ペア:

[(1, 21030464), (2, 10515232), (4, 5257616), (7, 3004352), (8, 2628808), (13, 1617728), (14, 1502176), (16, 1314404), (23, 914368), (26, 808864), (28, 751088), (32, 657202), (46, 457184), (52, 404432), (56, 375544), (64, 328601), (91, 231104), (92, 228592), (104, 202216), (112, 187772), (157, 133952), (161, 130624), (182, 115552), (184, 114296), (208, 101108), (224, 93886), (299, 70336), (314, 66976), (322, 65312), (364, 57776), (368, 57148), (416, 50554), (448, 46943), (598, 35168), (628, 33488), (644, 32656), (728, 28888), (736, 28574), (832, 25277), (1099, 19136), (1196, 17584), (1256, 16744), (1288, 16328), (1456, 14444), (1472, 14287), (2041, 10304), (2093, 10048), (2198, 9568), (2392, 8792), (2512, 8372), (2576, 8164), (2912, 7222), (3611, 5824), (4082, 5152), (4186, 5024), (4396, 4784)]