21330432

素因数分解:

$2^9\times 3^3\times {\mathrm{1543}}^1$

素因数の和:1570

約数の個数: 80

約数和(自身を含む): 63180480

約数和(自身を除く): 41850048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 864, 1152, 1536, 1543, 1728, 2304, 3086, 3456, 4608, 4629, 6172, 6912, 9258, 12344, 13824, 13887, 18516, 24688, 27774, 37032, 41661, 49376, 55548, 74064, 83322, 98752, 111096, 148128, 166644, 197504, 222192, 296256, 333288, 395008, 444384, 592512, 666576, 790016, 888768, 1185024, 1333152, 1777536, 2370048, 2666304, 3555072, 5332608, 7110144, 10665216, 21330432]

約数ペア:

[(1, 21330432), (2, 10665216), (3, 7110144), (4, 5332608), (6, 3555072), (8, 2666304), (9, 2370048), (12, 1777536), (16, 1333152), (18, 1185024), (24, 888768), (27, 790016), (32, 666576), (36, 592512), (48, 444384), (54, 395008), (64, 333288), (72, 296256), (96, 222192), (108, 197504), (128, 166644), (144, 148128), (192, 111096), (216, 98752), (256, 83322), (288, 74064), (384, 55548), (432, 49376), (512, 41661), (576, 37032), (768, 27774), (864, 24688), (1152, 18516), (1536, 13887), (1543, 13824), (1728, 12344), (2304, 9258), (3086, 6912), (3456, 6172), (4608, 4629)]