21804384

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:548

約数の個数: 96

約数和(自身を含む): 66479616

約数和(自身を除く): 44675232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 71, 84, 96, 112, 142, 168, 213, 224, 284, 336, 426, 457, 497, 568, 672, 852, 914, 994, 1136, 1371, 1491, 1704, 1828, 1988, 2272, 2742, 2982, 3199, 3408, 3656, 3976, 5484, 5964, 6398, 6816, 7312, 7952, 9597, 10968, 11928, 12796, 14624, 15904, 19194, 21936, 23856, 25592, 32447, 38388, 43872, 47712, 51184, 64894, 76776, 97341, 102368, 129788, 153552, 194682, 227129, 259576, 307104, 389364, 454258, 519152, 681387, 778728, 908516, 1038304, 1362774, 1557456, 1817032, 2725548, 3114912, 3634064, 5451096, 7268128, 10902192, 21804384]

約数ペア:

[(1, 21804384), (2, 10902192), (3, 7268128), (4, 5451096), (6, 3634064), (7, 3114912), (8, 2725548), (12, 1817032), (14, 1557456), (16, 1362774), (21, 1038304), (24, 908516), (28, 778728), (32, 681387), (42, 519152), (48, 454258), (56, 389364), (71, 307104), (84, 259576), (96, 227129), (112, 194682), (142, 153552), (168, 129788), (213, 102368), (224, 97341), (284, 76776), (336, 64894), (426, 51184), (457, 47712), (497, 43872), (568, 38388), (672, 32447), (852, 25592), (914, 23856), (994, 21936), (1136, 19194), (1371, 15904), (1491, 14624), (1704, 12796), (1828, 11928), (1988, 10968), (2272, 9597), (2742, 7952), (2982, 7312), (3199, 6816), (3408, 6398), (3656, 5964), (3976, 5484)]