21327264

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 70761600

約数和(自身を除く): 49434336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 71, 72, 84, 96, 112, 126, 142, 144, 149, 168, 213, 224, 252, 284, 288, 298, 336, 426, 447, 497, 504, 568, 596, 639, 672, 852, 894, 994, 1008, 1043, 1136, 1192, 1278, 1341, 1491, 1704, 1788, 1988, 2016, 2086, 2272, 2384, 2556, 2682, 2982, 3129, 3408, 3576, 3976, 4172, 4473, 4768, 5112, 5364, 5964, 6258, 6816, 7152, 7952, 8344, 8946, 9387, 10224, 10579, 10728, 11928, 12516, 14304, 15904, 16688, 17892, 18774, 20448, 21158, 21456, 23856, 25032, 31737, 33376, 35784, 37548, 42316, 42912, 47712, 50064, 63474, 71568, 74053, 75096, 84632, 95211, 100128, 126948, 143136, 148106, 150192, 169264, 190422, 222159, 253896, 296212, 300384, 338528, 380844, 444318, 507792, 592424, 666477, 761688, 888636, 1015584, 1184848, 1332954, 1523376, 1777272, 2369696, 2665908, 3046752, 3554544, 5331816, 7109088, 10663632, 21327264]

約数ペア:

[(1, 21327264), (2, 10663632), (3, 7109088), (4, 5331816), (6, 3554544), (7, 3046752), (8, 2665908), (9, 2369696), (12, 1777272), (14, 1523376), (16, 1332954), (18, 1184848), (21, 1015584), (24, 888636), (28, 761688), (32, 666477), (36, 592424), (42, 507792), (48, 444318), (56, 380844), (63, 338528), (71, 300384), (72, 296212), (84, 253896), (96, 222159), (112, 190422), (126, 169264), (142, 150192), (144, 148106), (149, 143136), (168, 126948), (213, 100128), (224, 95211), (252, 84632), (284, 75096), (288, 74053), (298, 71568), (336, 63474), (426, 50064), (447, 47712), (497, 42912), (504, 42316), (568, 37548), (596, 35784), (639, 33376), (672, 31737), (852, 25032), (894, 23856), (994, 21456), (1008, 21158), (1043, 20448), (1136, 18774), (1192, 17892), (1278, 16688), (1341, 15904), (1491, 14304), (1704, 12516), (1788, 11928), (1988, 10728), (2016, 10579), (2086, 10224), (2272, 9387), (2384, 8946), (2556, 8344), (2682, 7952), (2982, 7152), (3129, 6816), (3408, 6258), (3576, 5964), (3976, 5364), (4172, 5112), (4473, 4768)]