21513216

素因数分解:

$2^{10}\times 3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 88

約数和(自身を含む): 58953600

約数和(自身を除く): 37440384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 149, 188, 192, 256, 282, 298, 376, 384, 447, 512, 564, 596, 752, 768, 894, 1024, 1128, 1192, 1504, 1536, 1788, 2256, 2384, 3008, 3072, 3576, 4512, 4768, 6016, 7003, 7152, 9024, 9536, 12032, 14006, 14304, 18048, 19072, 21009, 24064, 28012, 28608, 36096, 38144, 42018, 48128, 56024, 57216, 72192, 76288, 84036, 112048, 114432, 144384, 152576, 168072, 224096, 228864, 336144, 448192, 457728, 672288, 896384, 1344576, 1792768, 2689152, 3585536, 5378304, 7171072, 10756608, 21513216]

約数ペア:

[(1, 21513216), (2, 10756608), (3, 7171072), (4, 5378304), (6, 3585536), (8, 2689152), (12, 1792768), (16, 1344576), (24, 896384), (32, 672288), (47, 457728), (48, 448192), (64, 336144), (94, 228864), (96, 224096), (128, 168072), (141, 152576), (149, 144384), (188, 114432), (192, 112048), (256, 84036), (282, 76288), (298, 72192), (376, 57216), (384, 56024), (447, 48128), (512, 42018), (564, 38144), (596, 36096), (752, 28608), (768, 28012), (894, 24064), (1024, 21009), (1128, 19072), (1192, 18048), (1504, 14304), (1536, 14006), (1788, 12032), (2256, 9536), (2384, 9024), (3008, 7152), (3072, 7003), (3576, 6016), (4512, 4768)]