21385152

素因数分解:

$2^6\times 3^2\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:426

約数の個数: 84

約数和(自身を含む): 61971936

約数和(自身を除く): 40586784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 137, 144, 192, 271, 274, 288, 411, 542, 548, 576, 813, 822, 1084, 1096, 1233, 1626, 1644, 2168, 2192, 2439, 2466, 3252, 3288, 4336, 4384, 4878, 4932, 6504, 6576, 8672, 8768, 9756, 9864, 13008, 13152, 17344, 19512, 19728, 26016, 26304, 37127, 39024, 39456, 52032, 74254, 78048, 78912, 111381, 148508, 156096, 222762, 297016, 334143, 445524, 594032, 668286, 891048, 1188064, 1336572, 1782096, 2376128, 2673144, 3564192, 5346288, 7128384, 10692576, 21385152]

約数ペア:

[(1, 21385152), (2, 10692576), (3, 7128384), (4, 5346288), (6, 3564192), (8, 2673144), (9, 2376128), (12, 1782096), (16, 1336572), (18, 1188064), (24, 891048), (32, 668286), (36, 594032), (48, 445524), (64, 334143), (72, 297016), (96, 222762), (137, 156096), (144, 148508), (192, 111381), (271, 78912), (274, 78048), (288, 74254), (411, 52032), (542, 39456), (548, 39024), (576, 37127), (813, 26304), (822, 26016), (1084, 19728), (1096, 19512), (1233, 17344), (1626, 13152), (1644, 13008), (2168, 9864), (2192, 9756), (2439, 8768), (2466, 8672), (3252, 6576), (3288, 6504), (4336, 4932), (4384, 4878)]