21221376

素因数分解:

$2^{12}\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 104

約数和(自身を含む): 62120544

約数和(自身を除く): 40899168

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 157, 176, 192, 256, 264, 314, 352, 384, 471, 512, 528, 628, 704, 768, 942, 1024, 1056, 1256, 1408, 1536, 1727, 1884, 2048, 2112, 2512, 2816, 3072, 3454, 3768, 4096, 4224, 5024, 5181, 5632, 6144, 6908, 7536, 8448, 10048, 10362, 11264, 12288, 13816, 15072, 16896, 20096, 20724, 22528, 27632, 30144, 33792, 40192, 41448, 45056, 55264, 60288, 67584, 80384, 82896, 110528, 120576, 135168, 160768, 165792, 221056, 241152, 321536, 331584, 442112, 482304, 643072, 663168, 884224, 964608, 1326336, 1768448, 1929216, 2652672, 3536896, 5305344, 7073792, 10610688, 21221376]

約数ペア:

[(1, 21221376), (2, 10610688), (3, 7073792), (4, 5305344), (6, 3536896), (8, 2652672), (11, 1929216), (12, 1768448), (16, 1326336), (22, 964608), (24, 884224), (32, 663168), (33, 643072), (44, 482304), (48, 442112), (64, 331584), (66, 321536), (88, 241152), (96, 221056), (128, 165792), (132, 160768), (157, 135168), (176, 120576), (192, 110528), (256, 82896), (264, 80384), (314, 67584), (352, 60288), (384, 55264), (471, 45056), (512, 41448), (528, 40192), (628, 33792), (704, 30144), (768, 27632), (942, 22528), (1024, 20724), (1056, 20096), (1256, 16896), (1408, 15072), (1536, 13816), (1727, 12288), (1884, 11264), (2048, 10362), (2112, 10048), (2512, 8448), (2816, 7536), (3072, 6908), (3454, 6144), (3768, 5632), (4096, 5181), (4224, 5024)]