21043328

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5669}}^1$

素因数の和:5712

約数の個数: 32

約数和(自身を含む): 43375500

約数和(自身を除く): 22332172

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5669, 11338, 22676, 45352, 90704, 164401, 181408, 328802, 362816, 657604, 725632, 1315208, 2630416, 5260832, 10521664, 21043328]

約数ペア:

[(1, 21043328), (2, 10521664), (4, 5260832), (8, 2630416), (16, 1315208), (29, 725632), (32, 657604), (58, 362816), (64, 328802), (116, 181408), (128, 164401), (232, 90704), (464, 45352), (928, 22676), (1856, 11338), (3712, 5669)]