21511296

素因数分解:

$2^7\times 3^2\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 63011520

約数和(自身を除く): 41500224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 142, 144, 192, 213, 263, 284, 288, 384, 426, 526, 568, 576, 639, 789, 852, 1052, 1136, 1152, 1278, 1578, 1704, 2104, 2272, 2367, 2556, 3156, 3408, 4208, 4544, 4734, 5112, 6312, 6816, 8416, 9088, 9468, 10224, 12624, 13632, 16832, 18673, 18936, 20448, 25248, 27264, 33664, 37346, 37872, 40896, 50496, 56019, 74692, 75744, 81792, 100992, 112038, 149384, 151488, 168057, 224076, 298768, 302976, 336114, 448152, 597536, 672228, 896304, 1195072, 1344456, 1792608, 2390144, 2688912, 3585216, 5377824, 7170432, 10755648, 21511296]

約数ペア:

[(1, 21511296), (2, 10755648), (3, 7170432), (4, 5377824), (6, 3585216), (8, 2688912), (9, 2390144), (12, 1792608), (16, 1344456), (18, 1195072), (24, 896304), (32, 672228), (36, 597536), (48, 448152), (64, 336114), (71, 302976), (72, 298768), (96, 224076), (128, 168057), (142, 151488), (144, 149384), (192, 112038), (213, 100992), (263, 81792), (284, 75744), (288, 74692), (384, 56019), (426, 50496), (526, 40896), (568, 37872), (576, 37346), (639, 33664), (789, 27264), (852, 25248), (1052, 20448), (1136, 18936), (1152, 18673), (1278, 16832), (1578, 13632), (1704, 12624), (2104, 10224), (2272, 9468), (2367, 9088), (2556, 8416), (3156, 6816), (3408, 6312), (4208, 5112), (4544, 4734)]