21030912

素因数分解:

$2^{11}\times 3^2\times 7^1\times {\mathrm{163}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 69844320

約数和(自身を除く): 48813408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 163, 168, 192, 224, 252, 256, 288, 326, 336, 384, 448, 489, 504, 512, 576, 652, 672, 768, 896, 978, 1008, 1024, 1141, 1152, 1304, 1344, 1467, 1536, 1792, 1956, 2016, 2048, 2282, 2304, 2608, 2688, 2934, 3072, 3423, 3584, 3912, 4032, 4564, 4608, 5216, 5376, 5868, 6144, 6846, 7168, 7824, 8064, 9128, 9216, 10269, 10432, 10752, 11736, 13692, 14336, 15648, 16128, 18256, 18432, 20538, 20864, 21504, 23472, 27384, 31296, 32256, 36512, 41076, 41728, 43008, 46944, 54768, 62592, 64512, 73024, 82152, 83456, 93888, 109536, 125184, 129024, 146048, 164304, 166912, 187776, 219072, 250368, 292096, 328608, 333824, 375552, 438144, 500736, 584192, 657216, 751104, 876288, 1001472, 1168384, 1314432, 1502208, 1752576, 2336768, 2628864, 3004416, 3505152, 5257728, 7010304, 10515456, 21030912]

約数ペア:

[(1, 21030912), (2, 10515456), (3, 7010304), (4, 5257728), (6, 3505152), (7, 3004416), (8, 2628864), (9, 2336768), (12, 1752576), (14, 1502208), (16, 1314432), (18, 1168384), (21, 1001472), (24, 876288), (28, 751104), (32, 657216), (36, 584192), (42, 500736), (48, 438144), (56, 375552), (63, 333824), (64, 328608), (72, 292096), (84, 250368), (96, 219072), (112, 187776), (126, 166912), (128, 164304), (144, 146048), (163, 129024), (168, 125184), (192, 109536), (224, 93888), (252, 83456), (256, 82152), (288, 73024), (326, 64512), (336, 62592), (384, 54768), (448, 46944), (489, 43008), (504, 41728), (512, 41076), (576, 36512), (652, 32256), (672, 31296), (768, 27384), (896, 23472), (978, 21504), (1008, 20864), (1024, 20538), (1141, 18432), (1152, 18256), (1304, 16128), (1344, 15648), (1467, 14336), (1536, 13692), (1792, 11736), (1956, 10752), (2016, 10432), (2048, 10269), (2282, 9216), (2304, 9128), (2608, 8064), (2688, 7824), (2934, 7168), (3072, 6846), (3423, 6144), (3584, 5868), (3912, 5376), (4032, 5216), (4564, 4608)]