21184128

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 72558720

約数和(自身を除く): 51374592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 37, 42, 48, 56, 63, 64, 71, 72, 74, 84, 96, 111, 112, 126, 128, 142, 144, 148, 168, 192, 213, 222, 224, 252, 259, 284, 288, 296, 333, 336, 384, 426, 444, 448, 497, 504, 518, 568, 576, 592, 639, 666, 672, 777, 852, 888, 896, 994, 1008, 1036, 1136, 1152, 1184, 1278, 1332, 1344, 1491, 1554, 1704, 1776, 1988, 2016, 2072, 2272, 2331, 2368, 2556, 2627, 2664, 2688, 2982, 3108, 3408, 3552, 3976, 4032, 4144, 4473, 4544, 4662, 4736, 5112, 5254, 5328, 5964, 6216, 6816, 7104, 7881, 7952, 8064, 8288, 8946, 9088, 9324, 10224, 10508, 10656, 11928, 12432, 13632, 14208, 15762, 15904, 16576, 17892, 18389, 18648, 20448, 21016, 21312, 23643, 23856, 24864, 27264, 31524, 31808, 33152, 35784, 36778, 37296, 40896, 42032, 42624, 47286, 47712, 49728, 55167, 63048, 63616, 71568, 73556, 74592, 81792, 84064, 94572, 95424, 99456, 110334, 126096, 143136, 147112, 149184, 165501, 168128, 189144, 190848, 220668, 252192, 286272, 294224, 298368, 331002, 336256, 378288, 441336, 504384, 572544, 588448, 662004, 756576, 882672, 1008768, 1176896, 1324008, 1513152, 1765344, 2353792, 2648016, 3026304, 3530688, 5296032, 7061376, 10592064, 21184128]

約数ペア:

[(1, 21184128), (2, 10592064), (3, 7061376), (4, 5296032), (6, 3530688), (7, 3026304), (8, 2648016), (9, 2353792), (12, 1765344), (14, 1513152), (16, 1324008), (18, 1176896), (21, 1008768), (24, 882672), (28, 756576), (32, 662004), (36, 588448), (37, 572544), (42, 504384), (48, 441336), (56, 378288), (63, 336256), (64, 331002), (71, 298368), (72, 294224), (74, 286272), (84, 252192), (96, 220668), (111, 190848), (112, 189144), (126, 168128), (128, 165501), (142, 149184), (144, 147112), (148, 143136), (168, 126096), (192, 110334), (213, 99456), (222, 95424), (224, 94572), (252, 84064), (259, 81792), (284, 74592), (288, 73556), (296, 71568), (333, 63616), (336, 63048), (384, 55167), (426, 49728), (444, 47712), (448, 47286), (497, 42624), (504, 42032), (518, 40896), (568, 37296), (576, 36778), (592, 35784), (639, 33152), (666, 31808), (672, 31524), (777, 27264), (852, 24864), (888, 23856), (896, 23643), (994, 21312), (1008, 21016), (1036, 20448), (1136, 18648), (1152, 18389), (1184, 17892), (1278, 16576), (1332, 15904), (1344, 15762), (1491, 14208), (1554, 13632), (1704, 12432), (1776, 11928), (1988, 10656), (2016, 10508), (2072, 10224), (2272, 9324), (2331, 9088), (2368, 8946), (2556, 8288), (2627, 8064), (2664, 7952), (2688, 7881), (2982, 7104), (3108, 6816), (3408, 6216), (3552, 5964), (3976, 5328), (4032, 5254), (4144, 5112), (4473, 4736), (4544, 4662)]