21993216

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{4091}}^1$

素因数の和:4117

約数の個数: 72

約数和(自身を含む): 66912384

約数和(自身を除く): 44919168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 4091, 5376, 8182, 12273, 16364, 24546, 28637, 32728, 49092, 57274, 65456, 85911, 98184, 114548, 130912, 171822, 196368, 229096, 261824, 343644, 392736, 458192, 523648, 687288, 785472, 916384, 1047296, 1374576, 1570944, 1832768, 2749152, 3141888, 3665536, 5498304, 7331072, 10996608, 21993216]

約数ペア:

[(1, 21993216), (2, 10996608), (3, 7331072), (4, 5498304), (6, 3665536), (7, 3141888), (8, 2749152), (12, 1832768), (14, 1570944), (16, 1374576), (21, 1047296), (24, 916384), (28, 785472), (32, 687288), (42, 523648), (48, 458192), (56, 392736), (64, 343644), (84, 261824), (96, 229096), (112, 196368), (128, 171822), (168, 130912), (192, 114548), (224, 98184), (256, 85911), (336, 65456), (384, 57274), (448, 49092), (672, 32728), (768, 28637), (896, 24546), (1344, 16364), (1792, 12273), (2688, 8182), (4091, 5376)]