21389184

素因数分解:

$2^7\times 3^4\times {\mathrm{2063}}^1$

素因数の和:2089

約数の個数: 80

約数和(自身を含む): 63684720

約数和(自身を除く): 42295536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2063, 2592, 3456, 4126, 5184, 6189, 8252, 10368, 12378, 16504, 18567, 24756, 33008, 37134, 49512, 55701, 66016, 74268, 99024, 111402, 132032, 148536, 167103, 198048, 222804, 264064, 297072, 334206, 396096, 445608, 594144, 668412, 792192, 891216, 1188288, 1336824, 1782432, 2376576, 2673648, 3564864, 5347296, 7129728, 10694592, 21389184]

約数ペア:

[(1, 21389184), (2, 10694592), (3, 7129728), (4, 5347296), (6, 3564864), (8, 2673648), (9, 2376576), (12, 1782432), (16, 1336824), (18, 1188288), (24, 891216), (27, 792192), (32, 668412), (36, 594144), (48, 445608), (54, 396096), (64, 334206), (72, 297072), (81, 264064), (96, 222804), (108, 198048), (128, 167103), (144, 148536), (162, 132032), (192, 111402), (216, 99024), (288, 74268), (324, 66016), (384, 55701), (432, 49512), (576, 37134), (648, 33008), (864, 24756), (1152, 18567), (1296, 16504), (1728, 12378), (2063, 10368), (2592, 8252), (3456, 6189), (4126, 5184)]