21313824

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 144

約数和(自身を含む): 68257728

約数和(自身を除く): 46943904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 49, 56, 69, 84, 92, 96, 98, 112, 138, 147, 161, 168, 184, 196, 197, 224, 276, 294, 322, 336, 368, 392, 394, 483, 552, 588, 591, 644, 672, 736, 784, 788, 966, 1104, 1127, 1176, 1182, 1288, 1379, 1568, 1576, 1932, 2208, 2254, 2352, 2364, 2576, 2758, 3152, 3381, 3864, 4137, 4508, 4531, 4704, 4728, 5152, 5516, 6304, 6762, 7728, 8274, 9016, 9062, 9456, 9653, 11032, 13524, 13593, 15456, 16548, 18032, 18124, 18912, 19306, 22064, 27048, 27186, 28959, 31717, 33096, 36064, 36248, 38612, 44128, 54096, 54372, 57918, 63434, 66192, 72496, 77224, 95151, 108192, 108744, 115836, 126868, 132384, 144992, 154448, 190302, 217488, 222019, 231672, 253736, 308896, 380604, 434976, 444038, 463344, 507472, 666057, 761208, 888076, 926688, 1014944, 1332114, 1522416, 1776152, 2664228, 3044832, 3552304, 5328456, 7104608, 10656912, 21313824]

約数ペア:

[(1, 21313824), (2, 10656912), (3, 7104608), (4, 5328456), (6, 3552304), (7, 3044832), (8, 2664228), (12, 1776152), (14, 1522416), (16, 1332114), (21, 1014944), (23, 926688), (24, 888076), (28, 761208), (32, 666057), (42, 507472), (46, 463344), (48, 444038), (49, 434976), (56, 380604), (69, 308896), (84, 253736), (92, 231672), (96, 222019), (98, 217488), (112, 190302), (138, 154448), (147, 144992), (161, 132384), (168, 126868), (184, 115836), (196, 108744), (197, 108192), (224, 95151), (276, 77224), (294, 72496), (322, 66192), (336, 63434), (368, 57918), (392, 54372), (394, 54096), (483, 44128), (552, 38612), (588, 36248), (591, 36064), (644, 33096), (672, 31717), (736, 28959), (784, 27186), (788, 27048), (966, 22064), (1104, 19306), (1127, 18912), (1176, 18124), (1182, 18032), (1288, 16548), (1379, 15456), (1568, 13593), (1576, 13524), (1932, 11032), (2208, 9653), (2254, 9456), (2352, 9062), (2364, 9016), (2576, 8274), (2758, 7728), (3152, 6762), (3381, 6304), (3864, 5516), (4137, 5152), (4508, 4728), (4531, 4704)]