21138432

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{983}}^1$

素因数の和:1013

約数の個数: 88

約数和(自身を含む): 64455936

約数和(自身を除く): 43317504

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, 512, 672, 768, 896, 983, 1024, 1344, 1536, 1792, 1966, 2688, 2949, 3072, 3584, 3932, 5376, 5898, 6881, 7168, 7864, 10752, 11796, 13762, 15728, 20643, 21504, 23592, 27524, 31456, 41286, 47184, 55048, 62912, 82572, 94368, 110096, 125824, 165144, 188736, 220192, 251648, 330288, 377472, 440384, 503296, 660576, 754944, 880768, 1006592, 1321152, 1509888, 1761536, 2642304, 3019776, 3523072, 5284608, 7046144, 10569216, 21138432]

約数ペア:

[(1, 21138432), (2, 10569216), (3, 7046144), (4, 5284608), (6, 3523072), (7, 3019776), (8, 2642304), (12, 1761536), (14, 1509888), (16, 1321152), (21, 1006592), (24, 880768), (28, 754944), (32, 660576), (42, 503296), (48, 440384), (56, 377472), (64, 330288), (84, 251648), (96, 220192), (112, 188736), (128, 165144), (168, 125824), (192, 110096), (224, 94368), (256, 82572), (336, 62912), (384, 55048), (448, 47184), (512, 41286), (672, 31456), (768, 27524), (896, 23592), (983, 21504), (1024, 20643), (1344, 15728), (1536, 13762), (1792, 11796), (1966, 10752), (2688, 7864), (2949, 7168), (3072, 6881), (3584, 5898), (3932, 5376)]