21537152

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 54064080

約数和(自身を除く): 32526928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 64, 86, 91, 104, 112, 128, 172, 182, 208, 224, 301, 344, 364, 416, 448, 559, 602, 688, 728, 832, 896, 1118, 1204, 1376, 1456, 1664, 1849, 2236, 2408, 2752, 2912, 3698, 3913, 4472, 4816, 5504, 5824, 7396, 7826, 8944, 9632, 11648, 12943, 14792, 15652, 17888, 19264, 24037, 25886, 29584, 31304, 35776, 38528, 48074, 51772, 59168, 62608, 71552, 96148, 103544, 118336, 125216, 168259, 192296, 207088, 236672, 250432, 336518, 384592, 414176, 500864, 673036, 769184, 828352, 1346072, 1538368, 1656704, 2692144, 3076736, 5384288, 10768576, 21537152]

約数ペア:

[(1, 21537152), (2, 10768576), (4, 5384288), (7, 3076736), (8, 2692144), (13, 1656704), (14, 1538368), (16, 1346072), (26, 828352), (28, 769184), (32, 673036), (43, 500864), (52, 414176), (56, 384592), (64, 336518), (86, 250432), (91, 236672), (104, 207088), (112, 192296), (128, 168259), (172, 125216), (182, 118336), (208, 103544), (224, 96148), (301, 71552), (344, 62608), (364, 59168), (416, 51772), (448, 48074), (559, 38528), (602, 35776), (688, 31304), (728, 29584), (832, 25886), (896, 24037), (1118, 19264), (1204, 17888), (1376, 15652), (1456, 14792), (1664, 12943), (1849, 11648), (2236, 9632), (2408, 8944), (2752, 7826), (2912, 7396), (3698, 5824), (3913, 5504), (4472, 4816)]