21856128

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 68152320

約数和(自身を除く): 46296192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 47, 48, 56, 64, 84, 94, 96, 112, 128, 141, 168, 173, 188, 192, 224, 282, 329, 336, 346, 376, 384, 448, 519, 564, 658, 672, 692, 752, 896, 987, 1038, 1128, 1211, 1316, 1344, 1384, 1504, 1974, 2076, 2256, 2422, 2632, 2688, 2768, 3008, 3633, 3948, 4152, 4512, 4844, 5264, 5536, 6016, 7266, 7896, 8131, 8304, 9024, 9688, 10528, 11072, 14532, 15792, 16262, 16608, 18048, 19376, 21056, 22144, 24393, 29064, 31584, 32524, 33216, 38752, 42112, 48786, 56917, 58128, 63168, 65048, 66432, 77504, 97572, 113834, 116256, 126336, 130096, 155008, 170751, 195144, 227668, 232512, 260192, 341502, 390288, 455336, 465024, 520384, 683004, 780576, 910672, 1040768, 1366008, 1561152, 1821344, 2732016, 3122304, 3642688, 5464032, 7285376, 10928064, 21856128]

約数ペア:

[(1, 21856128), (2, 10928064), (3, 7285376), (4, 5464032), (6, 3642688), (7, 3122304), (8, 2732016), (12, 1821344), (14, 1561152), (16, 1366008), (21, 1040768), (24, 910672), (28, 780576), (32, 683004), (42, 520384), (47, 465024), (48, 455336), (56, 390288), (64, 341502), (84, 260192), (94, 232512), (96, 227668), (112, 195144), (128, 170751), (141, 155008), (168, 130096), (173, 126336), (188, 116256), (192, 113834), (224, 97572), (282, 77504), (329, 66432), (336, 65048), (346, 63168), (376, 58128), (384, 56917), (448, 48786), (519, 42112), (564, 38752), (658, 33216), (672, 32524), (692, 31584), (752, 29064), (896, 24393), (987, 22144), (1038, 21056), (1128, 19376), (1211, 18048), (1316, 16608), (1344, 16262), (1384, 15792), (1504, 14532), (1974, 11072), (2076, 10528), (2256, 9688), (2422, 9024), (2632, 8304), (2688, 8131), (2768, 7896), (3008, 7266), (3633, 6016), (3948, 5536), (4152, 5264), (4512, 4844)]