21541824

素因数分解:

$2^6\times 3^2\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:418

約数の個数: 84

約数和(自身を含む): 62407800

約数和(自身を除く): 40865976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 149, 192, 251, 288, 298, 447, 502, 576, 596, 753, 894, 1004, 1192, 1341, 1506, 1788, 2008, 2259, 2384, 2682, 3012, 3576, 4016, 4518, 4768, 5364, 6024, 7152, 8032, 9036, 9536, 10728, 12048, 14304, 16064, 18072, 21456, 24096, 28608, 36144, 37399, 42912, 48192, 72288, 74798, 85824, 112197, 144576, 149596, 224394, 299192, 336591, 448788, 598384, 673182, 897576, 1196768, 1346364, 1795152, 2393536, 2692728, 3590304, 5385456, 7180608, 10770912, 21541824]

約数ペア:

[(1, 21541824), (2, 10770912), (3, 7180608), (4, 5385456), (6, 3590304), (8, 2692728), (9, 2393536), (12, 1795152), (16, 1346364), (18, 1196768), (24, 897576), (32, 673182), (36, 598384), (48, 448788), (64, 336591), (72, 299192), (96, 224394), (144, 149596), (149, 144576), (192, 112197), (251, 85824), (288, 74798), (298, 72288), (447, 48192), (502, 42912), (576, 37399), (596, 36144), (753, 28608), (894, 24096), (1004, 21456), (1192, 18072), (1341, 16064), (1506, 14304), (1788, 12048), (2008, 10728), (2259, 9536), (2384, 9036), (2682, 8032), (3012, 7152), (3576, 6024), (4016, 5364), (4518, 4768)]